Haier HSU-09H03/R(DB) [83/131] Replace the outdoor ipm module with a new one

Haier HSU-09H03/R(DB) [83/131] Replace the outdoor ipm module with a new one
Electrify the machine again and turn it
on, Check whether the voltage
between 1 and 2 of Terminal CN16 is
about DC8V, Check whether the
voltage between 4 and 3ǃ5 of
Terminal CN16 is about DC15V,
No
Replace the outdoor
mainboard with a new one
Replace the outdoor IPM
module with a new one.
No
1) Pull out and reinsert the
terminals.
2) Replace connected wire
Yes
Yes
1) Check whether Terminal CN16
and CN11 on the outdoor mainboard
CN3 and CN5 on IPM module is well
inserted.
2) Check whether the connected wire
between IPM and outdoor is well.
Demastic Air Conditioners
+6809,12H03/R(DB)
System Diagnosis8
80

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