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Service Compressor
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Compressor Capacitor
Compressor Capacitor Diagnosing
A compressor not running could be caused by a
failed capacitor.
Check for Fault Codes
Check fault codes by pressing and holding
MODE
and then press
AUX
. Verify whether fault
6 (Compressor fault) code is active. Record any
other faults and clear the codes by pressing
AUX
.
Verify Compressor Operation
Enter Service Mode by pressing and holding
+
and
-
buttons. On entry, the display lights all
LED's. Press
MODE
until CL or HP (depending
on outside temperature) is shown in the display.
Pressing
+
turns the compressor on and
pressing
-
will turn the compressor off.
AUX
key
exits Service Mode.
Verify Compressor Capacitor Microfarad
Values
Approximate compressor capacitor microfarad
values can be checked from the capacitor.
NOTE
: The resistance values are depended on
btu and supplied voltage.
Compressor Capacitor
Microfarad (µF)
BTU
Voltage
Microfarad
9k
208/230V
25 µF
9k
265V
15 µF
12k
208/230V
35 µF
12k
265V
25 µF
18k
208/230V
50 µF
18k
265V
35 µF
Compressor Capacitor Removal
WARNING
: Discharge the capacitor with proper
insulated pliers and electrically rated gloves
before attempting service.
1. Remove main control board cover and
junction box cover. All screws are 5/16-in.
screws.
Main Control
Board Cover
Junction Box
Cover