
perlick customer service (800)558-5592 | 9
PERLICK RESIDENTIAL UNDERCOUNTER USE & CARE GUIDE
TROUBLESHOOTING
TROUBLESHOOTING
If the unit appears to be malfunctioning, read through the
OPERATION section of this manual first. If the problem persists,
check this troubleshooting section to see if you can refer to
the cause and remedy of the problem and resolve it without a
service call.
DANGER
Never attempt to repair or perform
maintenance on the unit until the
main electrical power to the unit has been disconnected!
Problem
Cause
Solution
No interior light
LED board is inoperable
• Contact Perlick Technical Service at
800-558-5592
Light stays on when door switch is closed
Manual switch is on
• Turn manual switch off
Door is not making contact with the door
switch
• Makre sure the door closes tightly
Noisy operation
Soft sounds from compressor, fan motor and
valves heard
• Normal operation
“Crackling” sound during defrost
• Normal operation
LED Controller display is flashing ”P1”*
Thermostat probe has failed
• Contact Perlick Technical Service at
800-558-5592
LED Controller display is flashing “P2”*
Evaporator probe has failed
• Contact Perlick Technical Service at
800-558-5592
LED Controller display is flashing “HA”*
Internal compartment has exceeded the high
temperature alarm preset value for over 30
minutes.
• Make sure the door is completely closed.
• Check the door gasket seal. Replace if
necessary.
• Check the condenser and clean it if
necessary.
• Make sure the louvered plate is
unobstructed. If surrounding ambient
temperature has recently changed
dramatically, the compartment may be
affected.
• Make sure the interior light is off.
• Warm product was recently placed in the
cabinet. Wait 24 hours for the product to
chill and then recheck the temperature.
LED Controller display is flashing “LA”
Internal compartment has exceeded the low
temperature alarm preset value for over 30
minutes.
• Make sure the door is completely closed.
• Check the door gasket seal. Replace if
necessary.
• If the surrounding ambient temperature
has recently changed dramatically, the
compartment temperature may be
affected.
LED Controller display is flashing “dA”
Door is open.
• Make sure the door is completely closed.
Unit is not running
No power is going to the unit.
• Home circuit breaker was tripped. Reset
the circuit breaker.
• ON/OFF keypad is turned off. Turn it on.
• If it is a Dual-Zone model, check the Dual-
Zone power switch (see page 4).
Condenser is dirty.
• Clean the condenser