Installation Instructions
Perlick is committed to continuous improvement. Therefore, we reserve the right to change specications without prior notice
15
Form No. Z2363
Rev. 03.03.22
24” HC SERIES, HB SERIES, & HD SERIES UNDERCOUNTER REFRIGERATION
Operation/Installation Manual
Troubleshooting
If the unit appears to be malfunctioning, read through
the OPERATION section rst, then check the guide
below to identify and resolve the problem.
PROBLEM RESOLUTION
Light stays on when the door is closed Manual ON/OFF light switch is turned on.
Is the door switch making contact with the plunger?
Noisy during operation Certain sounds are normal. Soft sounds from the compressor, fan motor and valves will be heard.
The refrigerated cabinet isn’t running Is there electrical power to the unit?
Is the building circuit breaker or fuse on?
Is the control set properly?
Is the condenser area clean?
The refrigeration compartment is warmer
than usual
Is the control set properly?
Is the light staying on?
Is the condenser area clean and free of obstruction?
Has the door been open for a long time or more frequently door opening occurred?
Are internal louvers and fan guard openings obstructed?
The refrigerated compartment is cooler
than usual
Is the control set properly?
Is the door closing and sealing properly?
The refrigerations runs for long periods
of time
Is the condenser area clean and free of obstruction?
Has the door been open for a long time or more frequently door opening occurred?
Has warm product just been placed in the unit?
On hot days and in warm room temperatures, the system will
run longer.
Condensation forms inside the
refrigerated compartments
This is normal during high humidity and frequent door openings.
Are the doors closing and sealing properly?
Condensation forms on the outside
of the unit
During periods of high humidity, some condensation might appear on the outside surface. The condensation
will disappear when the humidity drops. Meanwhile, be sure doors are closing and sealing properly. If
condensation persists, contact your Perlick Factory Authorized service center.
LED Controller display is ashing "E1" -
Compartment temperature probe error
Is the main compartment temperature probe rmly plugged into the digital controller?
Contact Perlick Factory Authorized service center for replacement probe.
LED Controller display is ashing "E2" -
Evaporator temperature probe error
Is the main compartment temperature probe rmly plugged into the digital controller?
Contact Perlick Factory Authorized service center for replacement probe.
LED Controller display is ashing "AH1" -
High compartment temperature alarm
Refer to problem "The refrigeration compartment is warmer than usual"
LED Controller display is ashing "AL1" -
Low compartment temperature alarm
Refer to problem "The refrigeration compartment is cooler than usual"
LED Controller display is ashing "OPd" -
Open door alarm
Has the door been open for longer than 1 minute?
Is the door fully closed?
Is the door plunger fully depressing the door switch (right side)?
Is the door switch harness rmly plugged into the digital controller?
Is there continuity across the ends of the door switch harness when the switch is depressed?
Contact Perlick Factory Authorized service center for replacement switch.
DANGER
Electrocution hazard! Never
attempt to repair or perform
maintenance on the unit until the main electrical
power has been disconnected.