Daikin REYQ-AATJA, Service Manual

Page: 294 / 495

Troubleshooting by Error Code SiUS372201EA
287 Part 6 Service Diagnosis
3.3 Prediction Codes
Prediction Code List
Pre
diction code
Seven-segment display
Description Possible cause Tech tips
Product type code
Prediction
code
Prediction sub code
AirNet
address
display flag
10A-## _ _ 1 0 0 1 - # # —
Compressor overcurrent prediction Error code L5, L8
Same as L8
Refer to L5, L8 troubleshooting
12A-## _ _ 1 2 0 1 - # # —
EVM1 refrigerant leakage prediction
(during evaporation)
■ Tf sensor failure
■ Tg sensor failure
■ LP sensor failure
■ EVM1 coil failure
■ EVM1 failure
Tg: Refer to J9 troubleshooting.
LP: Refer to JC troubleshooting.
Electronic expansion valve coil: Refer to E9
troubleshooting
If the above error is not seen, replace EVM1.
12D-## _ _ 1 2 0 4 - # # —
EVM2 refrigerant leakage prediction
(during evaporation)
■ Tf sensor failure
■ Tg sensor failure
■ LP sensor failure
■ EVM2 coil failure
■ EVM2 failure
Tg: Refer to J9 troubleshooting.
LP: Refer to JC troubleshooting.
Electronic expansion valve coil: Refer to E9
troubleshooting
If the above error is not seen, replace EVM2.
12G-## _ _ 1 2 0 7 - # # —
EVM3 refrigerant leakage prediction
(during evaporation)
■ Tf sensor failure
■ Tg sensor failure
■ LP sensor failure
■ EVM3 coil failure
■ EVM3 failure
Tg: Refer to J9 troubleshooting.
LP: Refer to JC troubleshooting.
Electronic expansion valve coil: Refer to E9
troubleshooting
If the above error is not seen, replace EVM3.
14A-## _ _ 1 4 0 1 - # # —
Four way valve (20SA1) intermediate
stop prediction
■ HP sensor failure
■ LP sensor failure
■ Four way valve coil failure
■ Four way valve failure
HP: Refer to JA troubleshooting.
LP: Refer to JC troubleshooting.
If the above error is not seen, compressor, four
way valve coil, or four way valve is defective.
14B-## _ _ 1 4 0 2 - # # —
Four way valve (20SA1) switching
failure prediction
■ HP sensor failure
■ LP sensor failure
■ Tf sensor failure
■ Tg sensor failure
■ Four way valve coil failure
■ Four way valve failure
HP: Refer to JA troubleshooting.
LP: Refer to JC troubleshooting.
Tg: Refer to J9 troubleshooting.
Tf: Refer to J8 troubleshooting.
Ta: Refer to H9 troubleshooting.
If the above error is not seen, compressor, four
way valve coil, or four way valve is defective.
14C-## _ _ 1 4 0 3 - # # —
Four way valve (20SA2) intermediate
stop prediction
■ HP sensor failure
■ LP sensor failure
■ Four way valve coil failure
■ Four way valve failure
HP: Refer to JA troubleshooting.
LP: Refer to JC troubleshooting.
If the above error is not seen, compressor, four
way valve coil, or four way valve is defective.
14D-## _ _ 1 4 0 4 - # # —
Four way valve (20SA2) switching
failure prediction
■ HP sensor failure
■ LP sensor failure
■ Tf sensor failure
■ Tg sensor failure
■ Four way valve coil failure
■ Four way valve failure
HP: Refer to JA troubleshooting.
LP: Refer to JC troubleshooting.
Tg: Refer to J9 troubleshooting.
Tf: Refer to J8 troubleshooting.
Ta: Refer to H9 troubleshooting.
If the above error is not seen, compressor, four
way valve coil, or four way valve is defective.
14E-## _ _ 1 4 0 5 - # # —
Four way valve (20SA3) intermediate
stop prediction
■ HP sensor failure
■ LP sensor failure
■ Four way valve coil failure
■ Four way valve failure
HP: Refer to JA troubleshooting.
LP: Refer to JC troubleshooting.
If the above error is not seen, compressor, four
way valve coil, or four way valve is defective.
14F-## _ _ 1 4 0 6 - # # —
Four way valve (20SA3) switching
failure prediction
■ HP sensor failure
■ LP sensor failure
■ Tf sensor failure
■ Tg sensor failure
■ Four way valve coil failure
■ Four way valve failure
HP: Refer to JA troubleshooting.
LP: Refer to JC troubleshooting.
Tg: Refer to J9 troubleshooting.
Tf: Refer to J8 troubleshooting.
Ta: Refer to H9 troubleshooting.
If the above error is not seen, compressor, four
way valve coil, or four way valve is defective.
14G-## _ _ 1 4 0 7 - # # —
Four way valve (20SB) intermediate
stop prediction
■ HP sensor failure
■ LP sensor failure
■ Four way valve coil failure
■ Four way valve failure
HP: Refer to JA troubleshooting.
LP: Refer to JC troubleshooting.
If the above error is not seen, compressor, four
way valve coil, or four way valve is defective.
14H-## _ _ 1 4 0 8 - # # —
Four way valve (20SB) switching
failure prediction
■ HP sensor failure
■ LP sensor failure
■ TsA sensor failure
■ Ts sensor failure
■ Th1 sensor failure
■ Th2 sensor failure
■ Th3 sensor failure
■ Four way valve coil failure
■ Four way valve failure
HP: Refer to JA troubleshooting.
LP: Refer to JC troubleshooting.
TsA: Refer to J5 troubleshooting.
Ts: Refer to J5 troubleshooting.
Th1: Refer to C9 troubleshooting.
Th2: Refer to C4 troubleshooting.
Th3: Refer to C5 troubleshooting.
If the above error is not seen, compressor, four
way valve coil, or four way valve is defective.
16A-## _ _ 1 6 0 1 - # # —
Discharge pipe thermistor failure
prediction (Tdi)
■ Tdi sensor failure Refer to J3 troubleshooting.
16B-## _ _ 1 6 0 2 - # # —
Compressor body thermistor failure
prediction (Ti)
■ Ti sensor failure Refer to J3 troubleshooting.
16C-## _ _ 1 6 0 3 - # # —
Outdoor air thermistor failure
prediction (Ta)
■ Ta sensor failure Refer to H9 troubleshooting.
16D-## _ _ 1 6 0 4 - # # —
Heat exchanger deicer thermistor
failure prediction (Tb1)
■ Tb sensor failure Refer to J6 troubleshooting.
16G-## _ _ 1 6 0 7 - # # —
Subcooling heat exchanger
gas pipe thermistor failure prediction
(Tsh)
■ Tsh sensor failure Refer to J9 troubleshooting.
16H-## _ _ 1 6 0 8 - # # —
Subcooling heat exchanger liquid
pipe thermistor failure prediction (Tsc)
■ Tsc sensor failure Refer to J7 troubleshooting.