ESIE15-08B
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Part 2. Troubleshooting
2. Error code based troubleshooting
Page 34
19/07/16
Daikin Altherma Monobloc CA
2.32. “JA-00 / JI-00” – Pressure sensor abnormality
2.33. “J3-00” – Discharge thermistor (R1T) abnormality
2.34. “J6-00” – Heat exchanger thermistor (R2T) abnormality
Trigger
Effect
Reset
Pressure sensor detects an abnormal
value for 3 minutes (> 4,5 MPa or < -0,05
MPa).
Unit stops operating.
Auto-reset.
Possible cause
Check
Corrective action
Faulty pressure sensor.
Check pressure sensor (see page 96).
Replace the pressure sensor when
required (see page 130).
Faulty outdoor main PCB.
Check if the alive led is blinking in regular
intervals.
Check if the correct spare part is installed.
Check if the outdoor main PCB receives
power.
Adjust the power to the outdoor main
PCB.
Replace outdoor main PCB when alive led
is not blinking in regular intervals (see
page 119).
Trigger
Effect
Reset
Discharge thermistor detects an abnormal
value (open or short circuit).
Unit stops operating.
Auto-reset when problem is solved.
Possible cause
Check
Corrective action
Faulty discharge thermistor.
Check discharge thermistor (see
page 88).
Replace discharge thermistor when
required (see page 124).
Faulty outdoor main PCB.
Check if the alive led is blinking in regular
intervals.
Check if the correct spare part is installed.
Check if the outdoor main PCB receives
power.
Adjust the power to the outdoor main
PCB.
Replace outdoor main PCB when alive led
is not blinking in regular intervals (see
page 119).
Trigger
Effect
Reset
Heat exchanger refrigerant inlet thermis-
tor detects an abnormal value (open or
short circuit).
Unit stops operating.
Auto-reset when problem is solved.
Possible cause
Check
Corrective action
Faulty heat exchanger thermistor (R2T).
Check thermistor R2T (see page 88).
Replace thermistor R2T when required
(see page 124).
Faulty outdoor main PCB.
Check if the alive led is blinking in regular
intervals.
Check if the correct spare part is installed.
Check if the outdoor main PCB receives
power.
Adjust the power to the outdoor main
PCB.
Replace outdoor main PCB when alive led
is not blinking in regular intervals (see
page 119).