Sinclair SDV5 Series Service Manual page 66

2.20.5 Procedure
Check history fault
code to analyze
Notes:
1. P8 protection recovers in 2 minutes when the strong wind stops.
2.21 PE: Evaporator high temperature protection (For all models)
2.21.1 Digital display output
PE
2.21.2 Description
 Evaporator high temperature protection
 The system stops running.
 Error code is displayed on the outdoor unit PCB.
2.21.3 Trigger / recover condition
 Trigger condition:
The middle average temperature of the evaporator is higher than 63
 Recover condition: Pipe temperature < 50
 Reset method: Resume automatically.
2.21.4 Possible causes
 Indoor temperature is too high.
 Temperature sensor not connected properly or has malfunctioned.
 System blockage.
 Poor condenser heat exchange.
 Indoor unit Main PCB damaged
Whether the fan blade was blow to high
speed in standby
Yes Power off for 3 minutes and then repower
on to confirm whether the fault is cleared
Power off and pull up CN17(white) and
CN19(black) of DC motor wire, repower
on to confirm whether report E6 code
protection
Check whether DC motor is normal
DC motor is damaged
o
C.
P8
No
No
Yes
No
o
C for 50 seconds
Trigger the protect
Yes
function, Wait unit the
strong wind stops
ODU main control
No
board damaged
Yes
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