Amana Menumaster MCHDC21 Manuel de service
R
Commercial
Service Training Manual
Compact Models
HDC - 60 Hz
August 2011
16400011
Amana® is a Registered Trademark of Maytag Corporation. Brand used under license.
Table of Contents
Important Safety Information.........................................................................................2-5
Specications..................................................................................................................7
Installation.......................................................................................................................7
Quick Start Reference Guide......................................................................................9-10
Components............................................................................................................ 12-16
Disassembly..............................................................................................................18-19
Capacitor / Diode Location S/N 0902100848 Prior and After........................................21
Capacitor / Diode Location S/N 1103100152 and Earlier..............................................22
Capacitor / Diode Location S/N 1103100153 and After.................................................23
Airow............................................................................................................................25
Component Testing Procedures................................................................................27-31
Troubleshooting........................................................................................................33-35
Wiring and Schematic Diagrams...............................................................................36-40
1
Important Safety Information
1
Important Information
Important Notices for Servicers and Consumers
ACP will not be responsible for personal injury or property damage from improper service procedures. Pride and
workmanship go into every product to provide our customers with quality products. It is possible, however, that during
its lifetime a product may require service. Products should be serviced only by a qualied service technician who is
familiar with the safety procedures required in the repair and who is equipped with the proper tools, parts, testing
instruments and the appropriate service information. IT IS THE TECHNICIANS RESPONSIBLITY TO REVIEW ALL
APPROPRIATE SERVICE INFORMATION BEFORE BEGINNING REPAIRS.
! WARNING
To avoid risk of severe personal injury or death, disconnect power before working/servicing on appliance to avoid
electrical shock.
To locate an authorized servicer please contact:
ComServ Support Center
Web Site Telephone Number
WWW.ACPSOLUTIONS.COM
E-Mail: commercialservice@acpsolutions.com
Recognize Safety Symbols, Words, and Labels
....................... 1-866-426-2621 or 319-368-8195
DANGER!
DANGER— Immediate hazards which WILL result in severe personal injury or death.
WARNING!
WARNING— Hazards or unsafe practices which COULD result in severe personal injury or death.
!
CAUTION
CAUTION— Hazards or unsafe practices which COULD result in minor personal injury, product or property
damage.
2
Important Safety Information
WARNING
!
Read the following information to avoid possible exposure to microwave radiation:
The basic design of the Microwave Oven makes it an inherently safe device to both use and service.
However, there are some precautions which should be followed when servicing the microwave to maintain this
safety. These are as follows:
1. Always operate the unit from an adequately
grounded outlet. Do not operate on a two-wire
extension cord.
8. Do not for any reason defeat the interlock
switches there is not valid reason for this action
at any time; nor will it be condoned by ACP.
2. Before servicing the unit (if unit is operable) perform
the microwave leakage test.
3. The oven should never be operated if the door does
not t properly against the seal, the hinges or hinge
bearings are damaged or broken; the choke is
damaged, (pieces missing, etc.); or any other
visible damage can be noted. Check the choke
area to ensure that this area is clean and free of all
foreign matter.
4. If the oven operates with the door open and
produces microwave energy, take the following
steps:
A. Tell the user not to operate the oven.
B. Contact ACP ComServ
5. Always have the oven disconnected when the outer
case is removed except when making the "live"
tests called for in the Service Manual. Do not
reach into the equipment area while the unit is
energized. Make all connections for the test and
check them for tightness before
into the outlet.
6. Always ground the capacitors on the magnetron
lter box with an insulated-handle screwdriver
before working in the high voltage area of the
equipment compartment. Some types of failures
will leave a charge in these capacitors and the
discharge could cause a reex action which could
make you injure yourself.
immediately.
plugging the cord
9. IMPORTANT: Before returning a unit to a
customer, be sure to check for proper switch
interlock action.
10. The Microwave Oven should never be
operated with any components removed and/or
bypassed or when any of the safety interlocks are
found to be defective, or when any of the seal
surfaces are defective, missing, or damaged.
11. All microwave ovens meet all requirements
of the radiation control for Health and Safety Act of
1968. Due to measurement uncertainties, the
maximum leakage for the eld will be 4mw/cm .
12. To ensure that the unit does not emit excessive
microwave leakage and to meet the
of Health and Human Services guidelines, check
the oven for microwave leakage using a microwave
oven leakage meter that complies with US
Government CDRH / FDA / DHHS requirements
and or any other local government requirements.
The maximum leakage level allowed by ACP
is 4mw/cm .
13. If servicer encounters an emission reading over
4mw/cm
contact the ACP ComServ Department
immediately for further direction. ACP
will contact the proper Government
Agency upon verication of the test results.
2
2
, the servicer is to cease repair and
Department
2
7. Always remember that in the area of the
transformer there is HIGH VOLTAGE. When the
unit is operating keep this area clear and free of
anything which could possibly cause an arc or
ground, etc.
3
IMPORTANT SAFETY INSTRUCTIONS
!
Recognize this symbol as a SAFETY message
WARNING
When using electrical equipment, basic safety precautions should be followed to reduce the risk of burns,
electrical shock, re, or injury to persons including the following.
1. READ all instructions before using equipment.
2. READ AND FOLLOW the specic
“PRECAUTIONS TO AVOID POSSIBLE
EXPOSURE TO EXCESSIVE MICROWAVE
ENERGY” on this page.
3. This equipment MUST BE GROUNDED. Connect
only to properly GROUNDED outlet. See “
GROUNDING / EARTHING INSTRUCTIONS” on
page 5.
4. Install or locate this equipment ONLY in
accordance with the installation instructions in
this manual.
5. Some products such as whole eggs and sealed
containers—for example, closed glass jars—are
able to explode and SHOULD NOT be HEATED
in this oven.
6. Use this equipment ONLY for its intended use as
described in this manual. Do not use corrosive
chemicals or vapors in this equipment. This type
of oven is specically designed to heat, cook,
or dry food. It is not designed for industrial or
laboratory use.
7. As with any equipment, CLOSE SUPERVISION
is necessary when used by CHILDREN.
8. See door cleaning instructions on page A-4 of
this owners manual.
9. DO NOT heat baby bottles in oven.
10. Baby food jars shall be open when heated and
contents stirred or shaken before consumption, in
order to avoid burns.
11 DO NOT operate this equipment if it has a
damaged cord or plug, if it is not working properly,
or if it has been damaged or dropped.
12. This equipment, including power cord, must be
serviced ONLY by qualied service personnel.
Special tools are required to service equipment.
Contact nearest authorized service facility for
examination, repair, or adjustment.
13. DO NOT cover or block louvers or other openings
on equipment.
14. DO NOT store this equipment outdoors. DO NOT
use this product near water – for example, near a
kitchen sink, in a wet basement, a swimming pool,
or a similar location.
15. DO NOT immerse cord or plug in water.
16. Keep cord AWAY from HEATED surfaces.
17. DO NOT let cord hang over edge of table or
counter.
18. For commercial use only.
PRECAUTIONS TO AVOID POSSIBLE
EXPOSURE TO EXCESSIVE MICROWAVE
ENERGY
A. DO NOT attempt to operate this oven with the door open since open door operation can result in harmful
exposure to microwave energy. It is important not to defeat or tamper with the safety interlocks.
B. DO NOT place any object between the oven front face and the door too allow soil or cleaner residue to
accumulate on sealing surfaces.
C. DO NOT operate the oven if it is damaged. It is particularly important that the oven door close properly and
that there is no damage to the:
1. door (bent)
2. hinges and latches (broken or loosened)
3. door seals and sealing surfaces.
D. The oven should not be adjusted or repaired by anyone except properly qualied service personnel.
SAVE THESE INSTRUCTIONS
4
IMPORTANT SAFETY INSTRUCTIONS
WARNING
To avoid risk of re in the oven cavity:
a. DO NOT overcook food. Carefully attend oven
when paper, plastic, or other combustible
materials are placed inside the oven to facilitate
cooking.
b. Remove wire twist-ties from paper or plastic
bags before placing bag in oven.
c. If materials inside the oven ignite, keep oven
door CLOSED, turn oven off and disconnect
the power cord, or shut off power at the fuse or
circuit breaker panel.
d. DO NOT use the cavity for storage. DO NOT
leave paper products, cooking utensils, or food
in the cavity when not in use.
CAUTION
!
To avoid personal injury or property damage, observe the following:
Liquids such as water, coffee, or tea are able to
be overheated beyond the boiling point without
appearing to be boiling due to surface tension of the
liquid. Visible bubbling or boiling when the container
is removed from the microwave oven is not always
present. THIS COULD RESULT IN VERY HOT
LIQUIDS SUDDENLY BOILING OVER WHEN A
SPOON OR OTHER UTENSIL IS INSERTED INTO
THE LIQUID. To reduce the risk of injury to persons:
i) Do not overheat the liquid.
ii) Stir the liquid both before and halfway through
heating it.
iii) Do not use straight-sided containers with narrow
necks.
iv) After heating, allow the container to stand in the
microwave oven for a short time before removing
the container.
v) Use extreme care when inserting a spoon or
other utensil into the container.
WARNING
1. Do not deep fat fry in oven. Fat could overheat
and be hazardous to handle.
2. Do not cook or reheat eggs in shell or with
an unbroken yolk using microwave energy.
Pressure may build up and erupt. Pierce yolk
with fork or knife before cooking.
3. Pierce skin of potatoes, tomatoes, and similar
foods before cooking with microwave energy.
When skin is pierced, steam escapes evenly.
4. Do not operate equipment without load or food
in oven cavity.
5. Microwave popcorn should not be popped in
oven.
6. Do not use regular cooking thermometers in
oven. Most cooking thermometers contain
mercury and may cause an electrical arc,
malfunction, or damage to oven.
7. Do not use metal utensils in oven.
8. Do not use aluminum foil in oven
9. Never use paper, plastic, or other combustible
materials that are not intended for cooking.
10. When cooking with paper, plastic, or other
combustible materials, follow manufacturer’s
recommendations on product use.
11. Do not use paper towels which contain nylon or
other synthetic bers. Heated synthetics could
melt and cause paper to ignite.
12. Do not heat sealed containers or plastic bags in
oven. Food or liquid could expand quickly and
cause container or bag to break. Pierce or open
container or bag before heating.
13. To avoid pacemaker malfunction, consult
physician or pacemaker manufacturer about
effects of microwave energy on pacemaker.
14. An authorized servicer MUST inspect equipment
annually. Record all inspections and repairs for
future use.
SAVE THESE INSTRUCTIONS
5
HDC 60 Hz Specications
2
Power Specication
· Input
· Output
· Consumption
Oven Dimensions
· Weight
Installation
· Unpacking the oven
· Radio Interference
6
Specications
Models HDC12* HDC18*
CRC18T2OG
HDC21*
CRC21T2RL
Power Source
Voltage AC 120V 208 - 240V 208 - 240V
Amperage 20 A 20 A 20 A
Frequency 60 Hz 60 Hz 60 Hz
Single Phase, 3 wire grounded X X X
Plug Conguration / Cord NEMA 5-20 NEMA 6-20 NEMA 6-20
Power Output
Nominal microwave energy
1200 W 1800 W 2100 W
(IEC705)
Minimum temperature rise 12°F / 6.5°C 18°F / 10°C 21°F / 11.5°C
Operating Frequency 2450 MHz 2450 MHz 2450 MHz
Power Consumption
Cook Condition Microwave 2000 W, 16.8 A 3000 W@ 208v, 14.4 A
3000W @ 240v, 12.5 A
3200 W@ 208v, 15.4 A
3200 W@ 240v, 13.4 A
Dimensions
Cabinet
Width 16¾” (425) 16¾” (425) 16¾” (425)
Height 13½” (343) 13½” (343) 13½” (343)
Depth 22” (559) 22” (559) 22” (559)
Cavity Dimensions
Width 13” (330) 13” (330) 13” (330)
Height 6 ¾” (171) 6 ¾” (171) 6 ¾” (171)
Depth 12” (305) 12” (305) 12” (305)
Weight
Crated 73 lbs. (33 kg.) 73 lbs. (33 kg.) 73 lbs. (33 kg.)
Uncrated 67 lbs. (30 kg.) 67 lbs. (30 kg.) 67 lbs. (30 kg.)
Installation
Unpacking Oven
• Inspect oven for damage such as dents in door or
dents inside oven cavity.
• Report any dents or breakage to source of purchase
immediately. Do not attempt to use oven if damaged.
• Remove all materials from oven interior.
• If oven has been stored in extremely cold area, wait a
few hours before connecting power.
Radio Interference
Microwave operation may cause interference to radio,
television, or similar a oven. Reduce or eliminate
interference by doing the following:
• Clean door and sealing surfaces of oven according to
instructions in “Care and Cleaning” section.
• Place radio, television, etc. as far as possible
from oven.
• Use a properly installed antenna on radio, television, etc.
to obtain stronger signal reception.
7
HDC 60 Hz Quick Start
3
Reference Guide
Control Panel
· Programming items
Clean Filter
· Settings
User Options
· Changing options
· Factory presets
8
CLEAN FILTER
This oven displays
message displays ACP recommends
CLEAN FILTER
Quick Start Reference Guide
Refer to Product Safety Manual for Safety Statements
Complete Owner’s Manual available online
Oven Clearances
A—For North American (UL/CSA) models, allow at
least 7” (17.8 cm) of clearance around top of oven.
For International (50 Hz) models, allow at least 7”
(17.8 cm) of clearance around top of oven. Proper
off the message. The message will
stop displaying automatically after
24 hours. Depending on microwave
use and environmental conditions,
properly and life of electrical parts is reduced.
B—Allow at least 2
discharge on back of oven and back wall.
C—Allow at least 7” (17.8 cm) around sides of oven.
9
/16” (6.5 cm) between air
So...how do I use it?
more frequently. Once the frequency
is determined, set the option for the
appropriate time frame.
Preprogrammed
Pads
To cook food using
preprogrammed cooking sequences.
1. Open oven door and place
food in oven. Close door.
2. Press desired pad.
3. Oven begins to cook.
4. At end of cooking cycle oven
beeps and shuts off.
X2 Programming
2
(some models)
To change the cooking factor:
1. Open oven door.
2. Press and hold pad 1 for
approximately 5 seconds.
3. Press pad to be reprogrammed.
4. Press the X2 pad.
5. Press a numbered pad to
change the cooking factor.
• Cooking factor can be set from
10% to 100%.
• Default is 80%.
• Pad 5 would change the
cooking factor to 50%.
6. Press START pad to save
changes.
The switching operation of this microwave oven can cause voltag der unfavorable voltage supply
conditions can have adverse effects. This device is intended for the connection to a power supply system with a maximum permissable system impedance
Zmax of 0.31 Ohms
the requirement above. If necessary, the user can ask the public power supply company for the system impedance at the interface point.
Time Entry
Manual Operation
1. Open oven door and place food in oven. Close door.
2. Press TIME ENTRY pad and enter cooking time.
3. Press POWER LEVEL pad to program level of microwave power if desired.
• For a lower microwave power, press pads 1 (for 10%),
through 9 (for 90%), or 0 for no microwave energy.
NOTE: Press POWER LEVEL pad once to return to 100% microwave
power.
4. Press START pad.
5. At end of cooking cycle oven beeps and shuts off.
Power Level
Start
Programming Items
1. Open oven door.
2. Press and hold pad 1 for approximately 5 seconds.
3. Press pad to be reprogrammed.
4. Enter cooking time by using the number pads.
5. Press POWER LEVEL pad to program level of microwave power if desired.
• For a lower microwave power, press pads 1 (for 10%),
through 9 (for 90%), or 0 for no microwave energy.
NOTE: Press POWER LEVEL pad once to return to 100% microwave
power.
6. Press TIME ENTRY pad to add up to four additional cooking stages.
• Total cooking time cannot exceed 60 minutes.
• Enter cook time and power level as in steps 4 and 5.
7. Press START pad to set new programming changes to the pad.
NOTE: To discard changes, press STOP/RESET pad or close oven door.
X2 Pad (some models)
1. Open oven door and place food in oven. Close door.
2. Press X2 pad.
3. Press desired preprogrammed pad or pad sequence.
4. Oven begins cooking. Displayed cooking time is the total of original
cooking time and added X2 time.
Stop/Reset
9
Quick Start Reference Guide
Refer to Product Safety Manual for Safety Statements
Complete Owner’s Manual available online
Can I change an option?
Options such as single or double pad programming, beep volume,
and maximum cooking time can be changed to suit individual
preferences.
To change options:
DO NOT power spray
1. Open oven door.
• If door is closed or STOP/RESET pad is pressed before programming is
complete, changes are discarded and microwave exits programming mode.
2. Press and hold pad 2 for approximately 5 seconds.
• This begins options mode.
• Microwave will beep and
OPTIONS: displays.
3. Press number pad that controls option to be changed.
• See table below for options.
• Current option will display.
4. Press number pad again to change the option.
No metal pans
• Each time pad is pressed, option will change.
• Match code displayed with code for desired option.
5. Press START pad to save changes.
• To change additional options, repeat steps 3 and 4.
• Changes appear after door is closed or STOP/RESET pad is
pressed.
Numbered Pads Display Options (Factory Settings in Bold)
1
End of Cycle Beep
2
Speaker Volume
3
Key Beep
4
Keyboard Enable
Window
5
Add Time During
Heating
6
Reset Door Open
7
Maximum Heating Time
8
Manual Operation
9
Double Digit Operation
0
Clean Filter Message
OP:10
OP:11
OP:12
OP:20
OP:21
OP:22
OP:23
OP:30
OP:31
OP:40
OP:41
OP:42
OP:43
OP:50
OP:51
OP:60
OP:61
OP:70
OP:71
OP:80
OP:81
OP:90
OP:91
OP:00
OP:01
OP:02
OP:03
3 second continuous beep.
Continuous beep until door is opened.
5 beeps bursts until door is opened.
Eliminates beep.
Sets volume to low.
Sets volume to medium.
Sets volume to high.
Prevents beep when pad is pressed.
Allows beep when pad is pressed.
15 seconds after oven door is opened, keyboard disabled.
30 seconds after oven door is opened, keyboard disabled.
1 minute after oven door is opened, keyboard disabled.
2 minutes after oven door is opened, keyboard disabled.
Prevents adding heating time while oven is heating.
Allows heating time to be changed while oven is heating when a memory pad
is pressed.
Allows oven to resume heating time countdown after door is opened during
cycle.
Cancels heating time count down after door is opened during cycle.
Allows 60 minutes of heating time.
Allows 10 minutes of heating time.
Allows use of preprogrammed pads only.
Allows use of manual time entry and preprogrammed pads.
Allows 10 (0-9) preprogrammed pads.
Allows 100 (00-99) preprogrammed pads.
Do not display message.
Display message for 24 hours every 7 days.
Display message for 24 hours every 30 days.
Display message for 24 hours every 90 days.
10
4
HDC 60 Hz Components
11
Components
Touch Panel
Oven Tray
This Side Up
Grease Shield
This Side Up
Tray Support
Included in oven beginning
S/N 1010101648
Tray Support is now included in
Oven Tray Kit Part # 14109040
Interlock Switch
Assembly
Air Filter
12
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