– 68 –
1/ 2/ IPM (Intelligent Power Module)
3/ Service Switch
4/ Self-Diagnosis Lamp
Remove the compressor connector.
If your first attempt
fails, wait 3 minutes
(for the unit to re-
start) and check the
self-diagnosis lamp
status again.
Check outdoor electrical parts.
Check the refrigerating
cycle.
Normal
No
Yes
• Check the drive
circuit (IPM) using
the PRD checker.
• Check the position
sensor circuit.
With the unit set in the operating
state, press the start/stop
button.
Does the unit operate for
approximately 2 seconds (the
LD303 coming on) and then
stop due to a failure of switching
(the lamp blinking 4 times)?
OUTDOOR UNIT
06K134_RAS_35YH6_061-082_E 2006.11.16, 14:5368
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