Operator Panel LED Combinations |
Power LED |
XSCFU Standby LED |
Check LED |
Description |
Off |
Off |
Off |
Circuit breaker is switched off |
Off |
Off |
On |
Circuit breaker is switched on |
Off |
Blinking |
Off |
XSCFU is being initialized |
Off |
Blinking |
On |
Error occurred in the XSCFU
|
Off |
On |
Off |
- XSCFU is on standby
- System is waiting for power-on of the air conditioning system
|
On |
On |
Off |
- Warm-up standby processing is in progress (power-on is delayed)
- Power-on sequence is in progress
- System is in operation
|
Blinking |
On |
Off |
- Power-off sequence is in progress
- Fan termination is being delayed
|