Prediction Codes - Daikin VRV EMERION RXYQ-AATJA Service Manual

Troubleshooting by Error Code
3.3

Prediction Codes

Prediction Code List
Seven-segment display
10A-## _ _ 1 0 0 1 - # #
12A-## _ _ 1 2 0 1 - # #
12D-## _ _ 1 2 0 4 - # #
14A-## _ _ 1 4 0 1 - # #
14B-## _ _ 1 4 0 2 - # #
16A-## _ _ 1 6 0 1 - # #
16B-## _ _ 1 6 0 2 - # #
16C-## _ _ 1 6 0 3 - # #
16D-## _ _ 1 6 0 4 - # #
16E-## _ _ 1 6 0 5 - # #
16G-## _ _ 1 6 0 7 - # #
16H-## _ _ 1 6 0 8 - # #
16I-## _ _ 1 6 0 9 - # #
16J-## _ _ 1 6 1 0 - # #
16L-## _ _ 1 6 1 2 - # #
16P-## _ _ 1 6 1 6 - # #
16Q-## _ _ 1 6 1 7 - # #
16S-## _ _ 1 6 1 9 - # #
16U-## _ _ 1 6 2 1 - # #
16V-## _ _ 1 6 2 2 - # #
16W-## _ _ 1 6 2 3 - # #
20A-## _ _ 2 0 0 1 - # #
30A-## _ _ 3 0 0 1 # # #
31A-## _ _ 3 1 0 1 # # #
245
Description
Compressor overcurrent prediction
—
EVM1 refrigerant leakage prediction
(during evaporation)
—
EVM2 refrigerant leakage prediction
(during evaporation)
—
Four way valve (20SA1) intermediate
stop prediction
—
Four way valve (20SA1) switching
failure prediction
—
Discharge pipe thermistor failure
—
prediction (Tdi)
Compressor body thermistor failure
—
prediction (Ti)
Outdoor air thermistor failure
—
prediction (Ta)
Heat exchanger deicer thermistor
—
failure prediction (Tb1)
Heat exchanger deicer thermistor
—
failure prediction (Tb2)
Subcooling gas pipe thermistor failure
—
prediction (Tsh)
Subcooling liquid pipe thermistor
—
failure prediction (Tsc)
Heat exchanger liquid pipe thermistor
—
1 failure prediction (Tf1)
Heat exchanger liquid pipe thermistor
—
2 failure prediction (Tf2)
Compressor suction thermistor failure
—
prediction (Ts)
Heat exchanger gas pipe thermistor 1
—
failure prediction (Tg1)
Heat exchanger gas pipe thermistor 2
—
failure prediction (Tg2)
Subcooling injection thermistor failure
—
prediction (Tm)
Electrical box air outlet thermistor
—
failure prediction (Tjeva)
High pressure sensor failure
—
prediction (HP)
Low pressure sensor failure prediction
—
(LP)
Heat exchanger freeze up prediction
—
Indoor unit electronic expansion valve
leak (evaporator) prediction
_ _ #
Indoor unit thermistor failure
_ _ # prediction (Th1)
Possible cause
Error code L5, L8 Refer to L5, L8 troubleshooting
Same as L8
■ Ts sensor failure Ts: Refer to J5 troubleshooting.
■ Tg sensor failure Tg: Refer to J6 troubleshooting.
■ LP sensor failure LP: Refer to JC troubleshooting.
■ EVM1 coil failure Electronic expansion valve coil: Refer to E9
■ EVM1 failure troubleshooting
If the above error is not seen, replace EVM1.
■ Ts sensor failure Ts: Refer to J5 troubleshooting.
■ Tg sensor failure Tg: Refer to J6 troubleshooting.
■ LP sensor failure LP: Refer to JC troubleshooting.
■ EVM2 coil failure Electronic expansion valve coil: Refer to E9
■ EVM2 failure troubleshooting
If the above error is not seen, replace EVM2.
■ HP sensor failure HP: Refer to JA troubleshooting.
■ LP sensor failure LP: Refer to JC troubleshooting.
■ Four way valve coil failure If the above error is not seen, compressor, four
■ Four way valve failure way valve coil, or four way valve is defective.
■ HP sensor failure HP: Refer to JA troubleshooting.
■ LP sensor failure LP: Refer to JC troubleshooting.
■ Tg sensor failure Tg: Refer to J6 troubleshooting.
■ Tf sensor failure Tf: Refer to J8 troubleshooting.
■ Ta sensor failure Ta: Refer to H9 troubleshooting.
■ Four way valve coil failure If the above error is not seen, compressor, four
■ Four way valve failure way valve coil, or four way valve is defective.
■ Tdi sensor failure Refer to J3 troubleshooting.
■ Ti sensor failure Refer to J3 troubleshooting.
■ Ta sensor failure Refer to H9 troubleshooting.
■ Tb sensor failure Refer to J6 troubleshooting.
■ Tb2 sensor failure Refer to J6 troubleshooting.
■ Tsh sensor failure Refer to J9 troubleshooting.
■ Tsc sensor failure Refer to J7 troubleshooting.
■ Tf1 sensor failure Refer to J8 troubleshooting.
■ Tf2 sensor failure Refer to J8 troubleshooting.
■ Ts sensor failure Refer to J5 troubleshooting.
■ Tg1 sensor failure Refer to J6 troubleshooting.
■ Tg2 sensor failure Refer to J6 troubleshooting.
■ Tm sensor failure Refer to J7 troubleshooting.
■ Tjeva sensor failure Refer to J9 troubleshooting.
■ HP sensor failure Refer to JA troubleshooting.
■ LP sensor failure Refer to JC troubleshooting.
■ Tb sensor failure Melt frost on the outdoor heat exchanger.
■ Freeze
■ Tb sensor failure Th1: Refer to C9 troubleshooting.
■ Indoor leakage Th2: Refer to C4 troubleshooting.
Th3: Refer to C5 troubleshooting.
LP: Refer to JC troubleshooting.
If the above error is not seen, the corresponding
indoor electronic expansion valve and expansion
valve coil can be considered.
■ Th1 sensor failure Th1: Refer to C9 troubleshooting.
■ Th2 sensor failure Th2: Refer to C4 troubleshooting.
■ Th3 sensor failure Th3: Refer to C5 troubleshooting.
SiUS342303E
Tech tips
Part 6 Service Diagnosis