3-7.Recommended Spare Parts for Distributors................................................................ 3-1
FM06-024
Revised 02-13-07
206 i
Model BCC/BCR-140, BCC/BCR-175, BFR/BCR-350
SECTION 1. TROUBLESHOOTING
1-1. INTRODUCTION
This section provides troubleshooting information in the form
of an easy-to-read table.
If a problem occurs during the first operation of a cabinet,
recheck the installation per the Installation Section of the Operator’s
Manual.
Before troubleshooting, always recheck the operation procedures in
the Operator’s manual.
1-2. SAFETYWhere 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.
1-3. TROUBLESHOOTING
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.
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 problem is solved.
If maintenance procedures are not followed corr ectly,
injuries and/or property damage could result.
603 1-1
Model BCC/BCR-140, BCC/BCR-175, BFR/BCR-350
1-3. TROUBLESHOOTING
(Continued)
ProblemCauseCorrection
The evaporator is iced-upFaulty de-icing heaterReplace de-icing heater
after a De-icing Cycle
Evaporator temperature at endIncrease the setting of step 8, in
of De-icing Cycle too lowProgramming Section of
Operator’s Manual
Maximum time of De-icing CycleIncrease the setting of step 7, in
too shortProgramming Section of
Operator’s Manual
T oo much water on evaporatorThe unit has been shut down withoutStart a De-icing Cycle
finsa De-icing Cycle
Slow to decreaseCompressor not working properlyCheck compressor and rein temperature (decline inplace if necessary
performance)
Evaporator fan not working properlyCheck the fan and replace if
necessary
T emperature of room too highVentilate the room
Not enough clearance around unitRelocate the unit; see Location
Section of the Operator’s
Manual
1-2 603
Model BCC/BCR-140, BCC/BCR-175, BFR/BCR-350
1-3. TROUBLESHOOTING
(Continued)
ProblemCauseCorrection
Slow to decreaseCondenser obstructed by dirtClean the condenser
in temperature (decline in
performance)Evaporator iced upPerform a De-icing Cycle
Refrigerating problemCheck refrigeration circuit and
components
Display temperature doesIn Frigiprobe Mode, the displayNormal
not match the actual inlet airshows the product temperature
temperature (No alarm)
In timer mode, or hold mode,Ohm out the probe and check
the probe may be showing thethe reading with the table located
wrong temperaturein this section; change the probe
if it is out of tolerance
Green compressor indicatorCompressor and condenser fan
light on and the compressordo not work:
not working, or working- Faulty contactorCheck contactor and change if
sometimesnecessary
- Faulty control board relay-noReplace control board
voltage across terminals 10-11
Compressor works, but condenser
fan does not:
- Faulty condenser fanReplace fan
Compressor and condenser fan
work together:
- Faulty protection componentCheck items and replace if
for the compressor (overloadnecessary
protector, potential relay , start
and run capacitor)
- Faulty overload protector ofCheck fan and replace if
condenser fannecessary
603 1-3
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