– 100 –
PAM circuit
Phenomenon 1 (Rotation speed does not increase)
Is DC voltage 330V or more
present across , tab of
SPM2?
Is OVL lamp lighting?
Where OVL lamp lights,
this indicates over-load
and is not abnormal.
Yes
Check cords connected to
system power module again.
If any cord is disconnected,
connect correctly.
Check diode stack.
If phenomenon persists,
replace system power module.
Over-voltage error (blinks 15 times): System power module (SPM2) is abnormal.
+
No
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