– 47 –
Compressor Not Running
Run Service Diagnostic Test ( 1-3 )
Pre-Chill - see page 33 for entering
diagnostic mode.
Is the compressor running?
Check temperature setting of
unit
Yes
Check for 120VAC at connector J7-9
orange wire to TAB1 / J11 Black wire.
Do you have 120VAC
Direct test the
compressor.
Did it start?
Replace
compressor!
Yes
No
Check wiring to
compressor,
overload & relay
Yes
Replace board
No
No
Caution:
Unplug power when disconnecting and
connecting connectors on the board.
Summary of Contents for PSI21MGM
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Page 32: ... 30 Notes ...
Page 33: ... 31 Notes ...
Page 63: ... 61 Schematics ...
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Page 70: ... 68 Ref No Part Number Description 228 WR85X10022 Low Side Assembly ...
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