Haier HSU09 VHG(DB)-G&W Service Manual page 64

Restart the a/c and it
becomes normally.
NO
If starting up normally, but
malfunction occurs again after a
while
YES
Check whether the linking cable
between the indoor and outdoor is well
connected or whether its core wires are
well insulated.
Yes
A
HSU09VHG(DB)-SM
Yes
NO
No
61
Service Diagnosis
The outdoor mainboard needs
dehumidification.
The outdoor mainboard needs
dedust.
1. Reconnect the linking cable;
2. Replace the linking cable with new
one.
Domestic Air Conditioner