GE AIR C18, Service Manual-Installation

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Trouble-Shooting
Power cutoff Restore power supply
Fuse burn-out Short-circuit between lines
Resolve the problem of short-circuit,
replace fuse
Resolve the problem of poor contact
Power plug is not firmly seated or
connection is poor
Plug is securely seated in the socket
Line connection failure between indoor unit
and outdoor unit
Check the line connection according
To the electrical diagram and ensure
correct connection
Controller fuse burned out Replace controller fuse
No op
eratio
n o
f both ind
oor a
nd
out
do
or unit
s
Controller burned out Replace controller
Indoor fan or motor burned out
or lines are disconnected
Repair or replace fan or motor
The switch is in
the air supply
mode but the
fan motor does
not run
Remote controller failure
Remove failure or replace damaged
parts
Coil line break
Both outdoor fan and
compressor do not run
Relay failure
Poor contact
Replace relay
Failure of outdoor fan motor Replace relay
Failure of outdoor relay Replace relay
The operation is under
“
Cooling
”
or
“
Heating
”
mode; the compressor
runs but the outdoor fan
does not run
Poor contact at defrosting temp.
sensor or at tube sensor Replace defrosting temp. sensor or
tube sensor
Compressor failure Replace Compressor
The operation is under
“
Cooling
”
or
“
Heating
”
mode; the outdoor unit
runs but the compressor
does not run
Operating capacitor of compressor
burned out
Replace capacitor
Cooling load is too heavy Check the forecasted cooling load
Poor cooling effect
in cooling operation
Set temperature is too high Decrease set temperature
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