E2-00 - Open Circuit On Earth Leakage Detection Core - Daikin Sky Air Advance RZA200D7Y1B Service Manual

2.4.2 E2-00 – Open circuit on earth leakage detection core
RZA200+250D7Y1B
Sky Air Advance-series
ESIE19-13A – 2020.05
To solve the error code
INFORMATION
It is recommended to perform the checks in the listed order.
1 Perform a check of the main PCB. See
Possible cause: Faulty main PCB.
2 Check if the power supply is conform with the regulations. See
4
circuit" [ 135].
Possible cause:
▪ Faulty or disturbance of the power supply (imbalance >10%),
▪ Power drop,
▪ Short circuit.
3 Perform a check of the outdoor unit fan motor. See
4
motor" [ 107].
Possible cause: Faulty outdoor unit fan motor.
4 Perform a check of the compressor. See "3.2 Compressor" [
Possible cause: Faulty compressor.
Prerequisite: Stop the unit operation via the user interface.
5 Turn OFF the respective circuit breaker.
DANGER: RISK OF ELECTROCUTION
Confirm the rectifier voltage is below 10 V DC before proceeding, see
rectifier voltage" [
6 Check that the thermal interface grease is applied properly on the (PCB or
refrigerant piping) contact surface of the heat sink. Adjust if needed.
Possible cause: Thermal interface grease NOT applied properly on the heat
sink.
INFORMATION
If all procedures listed above have been performed and the problem is still present,
contact the helpdesk.
Trigger
Main PCB detects open
circuit on connector
X101A.
To solve the error code
INFORMATION
It is recommended to perform the checks in the listed order.
1 Check that connector X101A is correctly connected to the main PCB. See
4
"3.9 Main PCB" [ 95].
Possible cause: Open circuit on connector X101A.
"3.9 Main
4 135].
Effect
Unit will stop operating.
2 Troubleshooting
|
4
PCB" [ 95].
"4.1 Electrical
"3.11 Outdoor unit fan
4
56].
"To check the
Reset
Manual reset via user
interface.
Service manual
19