Henny Penny HEC-103 Service Manual
Henny Penny
Heated Express
Model HEC-103
Model HEC-104
Model HEC-123
Model HEC-124
Cabinet
TECHNICAL MANUAL
LIMITED WARRANTY FOR HENNY PENNY EQUIPMENT
Subject to the following conditions, Henny Penny Corporation makes the following limited warranties to the original
purchaser only for Henny Penny appliances and replacement parts:
NEW EQUIPMENT: Any part of a new appliance, except baskets, lamps, and fuses, which proves to be defective in
material or workmanship within two (2) years from date of original installation, will be repaired or replaced without
charge F .O.B. factory , Eaton, Ohio, or F .O.B. authorized distributor . Baskets will be repaired or replaced for ninety (90)
days from date of original installation. Lamps and fuses are not covered under this Limited W arranty. To validate this
warranty, the registration card for the appliance must be mailed to Henny Penny within ten (10) days after installation.
FILTER SYSTEM: Failure of any parts within a fryer filter system caused by the use of the non-OEM filters or
other unapproved filters is not covered under this Limited Warranty.
REPLACEMENT PARTS: Any appliance replacement part, except lamps and fuses, which proves to be defective in
material or workmanship within ninety (90) days from date of original installation will be repaired or replaced without
charge F .O.B. factory , Eaton, Ohio, or F .O.B. authorized distributor .
The warranty for new equipment covers the repair or replacement of the defective part and includes labor charges and
maximum mileage charges of 200 miles round trip for a period of one (1) year from the date of original installation.
The warranty for replacement parts covers only the repair or replacement of the defective part and does not include any
labor charges for the removal and installation of any parts, travel, or other expenses incidental to the repair or replacement of
a part.
EXTENDED FRYPOT WARRANTY: Henny Penny will replace any frypot that fails due to manufacturing or workmanship
issues for a period of up to seven (7) years from date of manufacture. This warranty shall not cover any frypot that fails due to
any misuse or abuse, such as heating of the frypot without shortening.
0 TO 3 YEARS: During this time, any frypot that fails due to manufacturing or workmanship issues will
be replaced at no charge for parts, labor, or freight. Henny Penny will either install a new frypot at no cost or
provide a new or reconditioned replacement fryer at no cost.
3 TO 7 YEARS: During this time, any frypot that fails due to manufacturing or workmanship issues will
be replaced at no charge for the frypot only . Any freight charges and labor costs to install the new frypot as
well as the cost of any other parts replaced, such as insulation, thermal sensors, high limits, fittings, and
hardware, will be the responsibility of the owner.
Any claim must be presented to either Henny Penny or the distributor from whom the appliance was purchased. No
allowance will be granted for repairs made by anyone else without Henny Penny’s written consent. If damage occurs during
shipping, notify the sender at once so that a claim may be filed.
THE ABOVE LIMITED WARRANTY SETS FOR TH THE SOLE REMEDY AGAINST HENNY PENNY FOR ANY BREACH
OF W ARRANTY OR OTHER TERM. BUYER AGREES THA T NO OTHER REMEDY (INCLUDING CLAIMS FOR ANY INCIDENT AL OR CONSEQUENTIAL DAMAGES) SHALL BE AV AILABLE.
The above limited warranty does not apply (a) to damage resulting from accident, alteration, misuse, or abuse; (b) if the
equipment’s serial number is removed or defaced; or (c) for lamps and fuses. THE ABOVE LIMITED W ARRANTY IS EXPRESSL Y IN LIEU OF ALL OTHER W ARRANTIES, EXPRESS OR IMPLIED, INCLUDING MERCHANT ABILITY AND FITNESS, AND ALL OTHER W ARRANTIES ARE EXCLUDED. HENNY PENNY NEITHER ASSUMES NOR AUTHORIZES ANY
PERSON TO ASSUME FOR IT ANY OTHER OBLIGA TION OR LIABILITY.
Revised 01/01/07
FM06-031
Revised 2-17-11
Model HEC-103/104/123/124
TABLE OF CONTENTS
Section Page
Section 1. TROUBLESHOOTING
1-1. Introduction ........................................................................................................... 1-1
1-2 Safety.................................................................................................................... 1-1
1-3. Troubleshooting ..................................................................................................... 1-1
1-4. Error Codes and Warnings.................................................................................... 1-3
Section 2. MAINTENANCE
2-1. Introduction ........................................................................................................... 2-1
2-2. Maintenance Hints ................................................................................................ 2-1
2-3. Lamp Socket Replacement ................................................................................... 2-1
2-4. Ballast Replacement ............................................................................................. 2-4
2-5. Base Heaters ........................................................................................................ 2-5
2-6. Transformers......................................................................................................... 2-5
2-7. Relays ................................................................................................................... 2-6
2-8. Fuse and Fuse Holder Replacement ..................................................................... 2-8
2-9. Power Switch Replacement ................................................................................. 2-9
2-10. Contactor Replacement ........................................................................................ 2-10
2-11. PC Board Replacement ........................................................................................ 2-10
2-12. Heated Shelf Replacement ................................................................................... 2-12
Wiring Diagrams ................................................................................................... 2-13
Section 3. PAR TS INFORMATION
3-1. Introduction ........................................................................................................... 3-1
3-2. Genuine Parts ....................................................................................................... 3-1
3-3. How to Order ....................................................................................................... 3-1
3-4. Prices .................................................................................................................... 3-1
3-5. Delivery ................................................................................................................ 3-1
3-6. Warranty ............................................................................................................... 3-1
3-7. Recommended Spare Parts for Distributors ......................................................... 3-1
206 i
Model HEC-103/104/123/124
SECTION 1. TROUBLESHOOTING
1-1. INTRODUCTION This section provides troubleshooting information in the form of
and easy to read table.
If a problem occurs during the first operation of a new unit,
recheck the Installation Section of the Operator’s Manual.
Before troubleshooting, always recheck the operating
procedure per the Operation Section of the Operator’s Manual.
1-2. SAFETY
Where information is of particular importance or is safety related,
the words, NOTICE, CAUTION, or WARNING are used.
Their usage is described below .
SAFETY ALER T SYMBOL is used with DANGER, W ARNING,
or CAUTION which indicates a personal injury type hazard.
NOTICE is used to highlight especially important information.
CAUTION used without the safety alert symbol indicates
a potentially hazardous situation which, if not avoided,
may result in property damage.
CAUTION used with the safety alert symbol indicates a
potentially hazardous situation which, if not avoided, may
result in minor or moderate injury.
W ARNING indicates a potentially hazardous situation
which, if not avoided, could result in death or serious injury .
1-3. TROUBLESHOOTING T o isolate a malfunction, proceed as follows:
1. Clearly define the problem (or symptom) and when it
occurs.
2. Locate the problem in the troubleshooting table.
3. Review all possible causes. Then, one-at-a-time work
through the list of corrections until the problem is solved.
1-1 104
Model HEC-103/104/123/124
1-3. TROUBLESHOOTING (Continued)
PROBLEM CAUSE CORRECTION
With power switch in • Open circuit • Check to see that unit is
POWER position, unit plugged in
is completely
inoperative (no power) • Check breaker or fuse at supply box
• Check control panel fuses per Fuse
and Fuse Holder Replacement Section
• Check voltage at wall receptacle
• Check POWER switch;
replace if defective
• Check cord and plug for loose
connections
• Control board defective • Check for 12 volt input from
transformer; replace if defective
• Transformer defective • Check input and output voltage;
replace if defective
Unit will not heat • Control board not calling • Check set point reading; if unit
for heat below setpoint and not calling
for heat, control board
defective
• Faulty contactor • Check contactor and replace if
necessary
No shelf heat • Faulty shelf heat relay • Check and replace if necessary
• Faulty shelf heater • Check and replace if necessary
• Unit not preheated • Preheat unit before loading product
• Faulty PC board • Replace PC board
• T emperature setting “OFF” • Remove front cover and increase shelf
heat setting
• Shelf not plugged into receptacle • Check that the shelf plug is firmly
properly pushed into receptacle, in the
interior of the cabinet
104 1-2
Model HEC-103/104/123/124
1-3. TROUBLESHOOTING (Continued)
PROBLEM CAUSE CORRECTION
No base heat • Faulty base heat relay • Check and replace if necessary
• Faulty base heater • Check and replace if necessary
• Unit not preheated • Preheat unit before loading product
• Faulty PC board • Replace PC board
No light(s) • Faulty contactor • Check contactor and replace if
necessary
• Light socket shorted • Replace light socket
• Faulty fluourescent light bulb • Replace fluourescent light bulb
• Faulty lamp ballast • Replace ballast
Product not holding
temperature • Heat settings too low • Remove front cover and adjust shelf
and base heat settings
• Low or improper voltage • Using meter, compare receptacle
voltage to data plate voltage
• Product held too long • Hold product for recommended time
• Product not placed correctly in unit • Place product in unit as per
Operation with Product Section of
Operator’s Manual
• Product not hot when placed in • Place prepackaged hot food in
cabinet
1-4. ERROR CODES AND The display shows the following error codes and warnings when a
WARNINGS fault is detected, along with an alarm sound. Both the heat and
humidity systems shut down, except when specified otherwise.
DISPLAY
“E04”
CAUSE
• Control board temperature above
140o F (60o C)
• Check unit for overheating; if not
CORRECTION
overheating and “E04” persists,
replace PC board
“E41
• Scrambled PC board memory
• Press UP button to clear “E41”; if
“E41” persists, replace PC board
1-3 104
SECTION 2. MAINTENANCE
Model HEC-103/104/123/124
2-1. INTRODUCTION
2-2. MAINTENANCE HINTS
2-3. LAMP SOCKET REPLACEMENT
This section provides procedures for the checkout and replacement of the various parts used within the heated merchandiser. Before replacing any parts, refer to the Troubleshooting Section. It will aid you in determining the cause of
the malfunction.
1. Y ou may want to use a multimeter to check the electric
components.
2. When the manual refers to the circuit being closed, the
multimeter should read zero unless otherwise noted.
3. When the manual refers to the circuit being open, the
multimeter reads infinity .
T o avoid electrical shock or property damage, move
the POWER switch to OFF and disconnect main
circuit breaker , or unplug cord at wall receptacle.
Figure 1
Figure 2
T o avoid burns, allow the unit to cool before
servicing.
Shelf Lamp Socket
1. Unplug both sides of the shelf with the faulty lamp socket.
Figure 1.
2. Lift shelf from unit.
3. Remove the screws securing the fluorescent bulb guards
on both ends of the bulb, and remove guards. Figure 2.
2-1 104
Model HEC-103/104/123/124
2-3. LAMP SOCKET REPLACEMENT
(Continued)
Figure 3
4. T wist bulb and remove from shelf.
5. Using a 5/16” socket for the rear, and 3/8” socket for
the front, remove all acorn nuts from the lamp reflector.
Figure 3.
Figure 4
Figure 5
6. Pull reflector apart and using 1/4” socket remove nuts
securing the faulty socket. Figure 4.
7. Disconnect wires and remove faulty socket from
reflector. Figure 5.
8. Install new lamp socket in reverse order .
104 2-2
2-3. LAMP SOCKET REPLACEMENT
(Continued)
Figure 6
Model HEC-103/104/123/124
Canopy Lamp Socket
1. Remove the screws securing the fluorescent bulb guards
on both ends of the bulb, and remove guards. Figure 6.
2. T wist bulb and remove from canopy .
Figure 7
3. Remove screws securing both ends of the canopy lamp
reflector, and allow reflector to drop down. Figure 7.
4. Pull wires down from canopy and disconnect the wire
connectors. Figure 8.
5. Using a 1/4” socket, remove nuts securing the faulty
socket, and remove socket from reflector.
Figure 8
6. Install new lamp socket in reverse order .
2-3 104
2-4. BALLAST REPLACEMENT
Figure 1
Model HEC-103/104/123/124
T o avoid electrical shock or property damage, move
the POWER switch to OFF and disconnect main
circuit breaker , or unplug cord at wall receptacle.
1. Carefully pry out on the front cover of the unit, unsnapping the plastic fasteners, and remove front cover.
Figure 1.
2. Remove the 3 screws securing the control panel and hinge
the panel down. Figure 2.
Figure 2
Figure 3
3. Using a small screwdriver , press down on the wire
retainers on the ends of the ballast and remove wires f
from ballast. Figure 3.
4. Remove screws securing the ends of the faulty ballast
and remove ballast. Figure 4.
5. Install new ballast in reverse order . Use the color coded
chart on the ends of the ballast on re-installing the wires.
Figure 4
104 2-4
2-5. BASE HEA TERS
Figure 1
Model HEC-103/104/123/124
T o avoid electrical shock or property damage, move
the POWER switch to OFF and disconnect main
circuit breaker , or unplug cord at wall receptacle.
Checkout:
1. Carefully pry out on the front cover of the unit, unsnapping the plastic fasteners, and remove front cover.
2. Remove the 3 screws securing the control panel and
hinge the panel down.
3. Disconnect the wires from the heater terminals, and
using a multimeter, or ohm meter , check ohm rating.
Figure 1. The ohm ratings should be:
Figure 2
2-6. TRANSFORMERS
HEC-103 - 208V - Cold - 39 ohms
HEC-103 - 240V - Cold - 52 ohms
HEC-104 - 208V - Cold - 49 ohms
HEC-104 - 240V - Cold - 70 ohms
Replacement:
4. If heater proves faulty , remove the well covers.
5. Remove the screws securing the heater to the unit and
pull the heater from the unit. Figure 2.
6. Install new heater in reverse order .
T o avoid electrical shock or property damage, move
the POWER switch to OFF and disconnect main
circuit breaker , or unplug cord at wall receptacle.
Checkout:
1. Carefully pry out on the front cover of the unit, unsnapping the plastic fasteners, and remove front cover.
2. Remove the 3 screws securing the control panel and
hinge the panel down.
2-5 704
2-6. TRANSFORMERS (Continued)
Figure 1
Model HEC-103/104/123/124
3. Label and disconnect the wires from the transformer
terminals, and using a multimeter, or ohm meter, check
ohm rating. Figure 1. The ohm ratings should be:
Secondary: 1 ohm
Primary: 234 ohms - 208V
200 ohms - 240V
Replacement:
4. If transformer proves faulty , remove screws securing
transformer to the unit and remove transformer.
Figure 2.
Figure 2
2-7. RELAYS
5. Install new transformer in reverse order .
T o avoid electrical shock or property damage, move
the POWER switch to OFF and disconnect main
circuit breaker , or unplug cord at wall receptacle.
Checkout:
1. Carefully pry out on the front cover of the unit, unsnapping the plastic fasteners, and remove front cover.
2. Remove the 3 screws securing the control panel and
hinge the panel down.
704 2-6
2-7. RELA YS (Continued)
Model HEC-103/104/123/124
T o avoid electrical shock, make connections
before applying power , take r eading, and remove
power before removing meter leads. The following checks are performed with the wall circuit
breaker closed and the main power switch in the
ON position.
3. With power reapplied, let unit start heating up, and
with the component energized, 0 volts should show on
the output side of the relay , and 12 volts on the input.
4. If voltage varies from steps 4 and 5, remove power to
unit, pull input wires from relay and place leads of
meter onto input wires. Reapply power to unit. If the
input wires to relay shows 12 vdc volts, the relay is
faulty .
Figure 1
Replacement:
5. Label and remove the wires from the relay , using a
Phillip’s head screwdriver . Figure 1.
6. Using a Phillip’s head screwdriver , remove the 2
screws securing the relay and remove faulty relay .
Figure 2.
7. Install new relay in reverse order.
Figure 2
2-7 204
2-8. FUSE AND FUSE HOLDER
REPLACEMENT
Figure 1
Model HEC-103/104/123/124
T o avoid electrical shock or property damage, move
the POWER switch to OFF and disconnect main
circuit breaker, or unplug cord at wall receptacle.
Fuse Replacement:
1. Carefully pry out on the front cover of the unit, unsnapping the plastic fasteners, and remove front cover.
2. Unscrew fuse holder cap counterclockwise to access
fuse. Figure 1.
T o check fuse, use a multimeter, or continuity tester , and put
leads on each end of fuse. If meter shows circuit is closed,
fuse is good. Replace fuse with a 15 amp fuse, (20 amp
fuse-CE), if meter shows circuit is open.
Figure 2
Fuse Holder Replacement:
1. W ith the front cover removed, remove the 3 screws securing the control panel and hinge the panel down.
2. Label wires and pull wires from the terminals of the faulty
fuse holder. Figure 2.
3. Remove the nuts securing the fuse holder and pull the
fuse holder from the unit. Figure 3.
4. Replace with new fuse holder in reverse order .
Figure 3
204 2-8
2-9. POWER SWITCH REPLACEMENT
Model HEC-103/104/123/124
T o avoid electrical shock or property damage, move
the POWER switch to OFF and disconnect main
circuit breaker, or unplug cord at wall receptacle.
1. Remove the screws securing the fluorescent bulb guards
on both ends of the bulb, and remove guards. Figure 1.
2. T wist bulb and remove from canopy .
Figure 1
Figure 2
3. Using a Phillip’ s head screwdriver, remove the screws s
securing the POWER switch plate, and pull plate down
from canopy . Figure 2.
3. Label and remove wires from POWER switch.
Figure 3.
4. Pushing in on the tabs on the sides of the POWER switch,
push switch through, to the outside of the plate, and
then replace with new switch in reverse order. Figure 4.
Figure 3
Figure 4
2-9 204
2-10. CONT ACTOR REPLACEMENT
Figure 1
Model HEC-103/104/123/124
T o avoid electrical shock or pr operty damage,
move the POWER switch to OFF and disconnect
main circuit breaker , or unplug cord at wall
receptacle.
1. Carefully pry out on the front cover of the unit, unsnapping the plastic fasteners, and remove front cover.
2. Remove the 3 screws securing the control panel and
hinge the panel down.
3. Label and disconnect the wires from the contactor
coil, and using a multimeter or ohm meter check
ohm rating. The ohm rating should be 540 ohms.
Figure 2
2-11. PC BOARD REPLACEMENT
4. If contactor proves faulty , remove screws securing the
wires to the contactor. Figure 1.
5. Using a Phillip’ s head screwdriver, remove the screws
securing the relay and remove faulty contactor.
Figure 2
6. Install new contactor in reverse order .
T o avoid electrical shock or property damage, move
the POWER switch to OFF and disconnect main
circuit breaker, or unplug cord at wall receptacle.
1. Carefully pry out on the front cover of the unit, unsnapping the plastic fasteners, and remove front cover.
2. Remove the 3 screws securing the control panel and
hinge the panel down.
704 2-10
Loading...