31
TROUBLESHOOTING (TO BE PERFORMED BY TRAINED SERVICE PROVIDERS ONLY), PAGE 4 OF 4
CONDITION
TROUBLESHOOTING
Digital Control
Display Is Blank
Check that the MAIN power switch is on.
Check the circuit breaker box for tripped circuits.
System Is Not
Operating
Check that the utility power is on.
Check that the MAIN power switch is on.
Check the circuit breaker box for tripped circuits.
Condensing Unit
Is Not Operating
Check that the power is turned on.
Determine if temperature controller settings are properly set.
See your case’s serial
label for your model’s specified settings. See
SERIAL LABEL LOCATION &
INFORMATION LISTED / TECH INFO & SERVICE
section in manual
for label
location, etc.