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TROUBLE
UNIT WILL NOT RUN.
CABINET TOO WARM.
TROUBLESHOOTING
TROUBLESHOOTING CHARTS
COMMON CAUSE
Blown Fuse.
Low Voltage.
Open motor or temperature control.
Open relay.
Open overload.
Open compressor.
Open service cord.
Broken lead to compressors or cold
control.
Service cord not plugged in.
Thermostat position set too warm, not
allowing unit to operate often enough.
Fan motor not running.
Shortage of refrigerant
Not enough air circulation around
cabinet.
Dirty condenser or obstructed
condenser ducts.
Thermostat control capillary not
properly installed.
REMEDY
Check power for "live" circuit. If outlet is
"dead" but building has power, replace the
fuse. Try to determine the cause of the over-
load or short circuit
Check outlet with voltmeter. Should check
115V plus or minus 10%.
If circuit is overloaded, either reduce load or
have electrician install separate circuit.
If unable to remedy any other way, install
auto-transformer.
Jumper across terminals of control. If unit
runs and connections are all tight, replace
control. Power element may have lost
charge or points may be dirty. Repair or
replace thermostat.
Check relay. Replace if necessary.
Check overload. Replace if necessary
Check compressor. Replace if necessary.
Check with ohmmeter at unit. If no circuit
and current is indicated at outlet, replace
or repair.
Repair or replace broken leads.
Plug in cord.
Turn knob to colder position.
Check and replace fan motor if necessary.
Check for leaks. Repair, evacuate and
recharge system.
Relocate cabinet or provide clearance to
allow sufficient circulation.
Clean the condenser and the ducts.
Refer back to removal/installation
instructions detailed in this manual.
93
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