Error Based Troubleshooting; E1-00 - Outdoor Unit: Pcb Defect - Daikin Sky Air Advance RZA200D7Y1B Service Manual

2 | Troubleshooting

2.4 Error based troubleshooting

2.4.1 E1-00 – Outdoor unit: PCB defect
Service manual
18
COOL Cool
HEAT Heat
3 Set the emergency DIP switch DS1‑2 on the outdoor unit PCB to the desired
forced operating mode (Cooling or Heating).
4 Turn ON the power using the respective circuit breaker.
5 Turn ON the unit.
Result: The system starts operating in emergency operation.
Active components
Component Forced cooling
Compressor ON
4‑way valve OFF
Outdoor unit fan Steady‑state
control
Indoor unit fan Steady‑state
control
Drain pump ON
Additional info
▪ The unit will NOT regulate the temperature during emergency operation.
▪ During emergency operation, do NOT attempt to operate the system using the
remote controller. The remote controller shows "88" while emergency operation
is active on the indoor unit.
▪ If a safety device is activated during emergency operation, all actuators are
turned OFF.
▪ In cooling operation, the unit runs for 20 minutes and then stops for 10 minutes
in order to avoid freeze‑up of the indoor unit coil.
▪ In heating operation, defrost is activated for 3 minutes, once every hour.
▪ Emergency operation CANNOT be carried out when the PCB itself is seriously
damaged.
▪ Make sure to set the emergency switch on both the outdoor and indoor unit
PCB.
▪ Change the position of the emergency switch ONLY when the power is turned
OFF.
▪ When the communication between the indoor unit(s) and outdoor unit is
repaired, emergency operation will stop and the system returns to normal
operation.
Trigger
Main PCB detects that
EEPROM is abnormal.
Forced heating
ON
ON
Steady‑state
control
Steady‑state
control
ON
Effect
Unit will stop operating.
Forced defrost
ON
OFF
OFF
OFF
ON
Reset
Manual reset via user
interface.
Power reset.
RZA200+250D7Y1B
Sky Air Advance-series
ESIE19-13A – 2020.05