LED no. Function Indication Remark
2 and 3 Both towers pressurised Green LED continuous One tower drying, the other
tower repressurising
3 Left solenoid failure Left tower LED turns red
instead of green
2 Right solenoid failure Right tower LED turns red
instead of green
4 Service warning Orange flashing LED
(indicated on the yellow
spanner label)
After 11500 hours continuous
operation
5 Service alarm Red flashing LED (indicated
on the red spanner label)
After 12000 hours continuous
operation
4 and 5 Controller reset Orange warning LED and red
alarm LED illuminate
continuously
Activated when the reset
magnet is applied
Power failure No LED's illuminated.
Alarm contact switched
Instruction book
2920 7083 21 29
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