104
[L10]
<Indication 1> <Indication 2>
[Model not set] Only when service board is used
[L15]
<Indication 1> <Indication 2>
[Combination failure between the hydro unit]
[L29]
* Any of the following abnormality may occur.
Seeing the LED on the outdoor board can determine which abnormality occurs.
Communication failure between MCUs, Heat sink temperature sensor (TH) failure, EEPROM
failure, Model not specified, Heat sink overheat failure, gas leakage detection, 4-way valve
invert failure
<Indication 1> <Indication 2>
[Communication failure between MCUs]
[P03]
<Indication 1> <Indication 2>
[Abnormal outlet temperature]
Check code
Outdoor LED
indication
Check and Action procedure
(No specific description indicates outdoor unit parts.)
Cut jumper line by following the instruction
comes with the service board package
Replace the hydro unit with the proper model
Check outdoor control board
If defective, replace it
PC board
P804HR-E1,
P1104HR-E1
(MCC-1571)
No gas leakage.
Appropriate refrigerant amount.
Correct defective portion
Re-charge refrigerant
Check outdoor control board
If defective, replace it
No
Yes
Pulse motor valve is normal.
Correct defective portion
Replace defective parts
No
Yes
Abnormally over loaded
Deal with or remove
causes
Yes
No
CN603 connector is normal.
TD sensor resistance is normal
Correct connector
Replace sensor
No
Yes
PC board
P804HR-E1,
P1104HR-E1
(MCC-1571)
AMP Air Conditioning
www.ampair.co.uk | [email protected]