Table of Contents
Advertisement
Before Calling For Service
If the unit appears to be malfunctioning, read through the Operation section in this manual first. If the problem
persists, check through this troubleshooting section. Locate the problem and refer to the cause and remedy
before calling for service. The problem could be something that can be solved without a service call.
Never attempt to repair or perform maintenance on the unit until the main
DANGER
electrical power to the unit has been disconnected!
Problem
No interior light.
Light stays on when door is closed.
Noisy operation.
LED Controller display is flashing "E1".
Unit is not running.
Compartments are warmer than usual.
System runs for long period of time.
Condensation forms inside the
compartments.
Condensation forms on outside of unit. High humidity and/or frequent door
Commercial Back Bar Installation & Operation Manual
TROUBLESHOOTING
Cause
Rocker switch in Off position.
LED board inoperable.
Manual switch on.
Soft sounds from compressor, fan
motor and valves heard.
Thermostat probe failure.
No power to the unit.
Condenser dirty.
Control preset not set properly.
Light staying on.
Condenser dirty or obstructed.
Door is open or has been opened
more frequently lately.
Internal louvers and/or fan guard
obstructed.
Warm product placed in cabinet
recently.
Condenser dirty or obstructed.
Door kept open for long time or
opened more frequently.
Warm product place in cabinet
recently.
Hot day and warm room
temperature.
High humidity and/or frequent door
opening.
Door not closing and sealing
properly.
opening.
Door not closing and sealing
properly.
14
Solution
Turn switch on.
Contact your selling dealer.
Turn manual switch off.
Normal operation.
Contact your selling dealer.
Home circuit breaker tripped. Reset circuit
breaker.
ON/OFF keypad is off. Turn on.
Clean the condenser.
Reset compartments presets.
Turn manual light switch off.
Clean condenser and clear obstruction.
Wait 24 hours and recheck temperature.
Reset preset temperature if necessary.
Make sure louvers and/or fan is not
obstructed.
Clean condenser and clear obstruction.
Wait 24 hours and recheck temperature.
Reset preset temperature if necessary.
Normal for system to run more frequently.
Normal operation.
Make sure door is closing properly. Check
door seals and replace if necessary.
Normal operation.
Make sure door is closing properly. Check
door seals and replace if necessary.
If condensation persists, contact your selling
dealer.
Advertisement
Table of Contents
