TECHNICAL MANUAL
CVM 3000
C 5030 CV/04-99 GB
26
5.11 FLASHING LED’s
The flashing of the keyboard LED’s may signal status or alarm conditions:
A1 key LED’s
Compressor selected on the B2 display
A2 LED: DEFROST
Defrost time counting phase
Stand-by phase at the end of defrosting
A2 LED: RECOVERY
Condensation pressure too high in recovery operating
mode: forced time in chiller operating mode
A2 LED: FAULT
End of an alarm condition: the alarm can be reset
B1 LED: lp
The maximum number of low pressure, automatic
reset alarms has been reached and therefore the alarm
must be reset manually
B1 LED: hp
End of high pressure alarm: manual reset is possible
B1 LED: op
End of compressor oil pressure alarm: manual reset is
possible
C1 LED: ICE
End of antifreeze alarm: manual reset is possible
C1 LED: Power
Mains voltage and/or frequency alarm
T1 ON/OFF LED
Forcing in OFF from serial connected remote control
but not from remote ON/OFF contact
T7 key LED
Printing of parameters in progress
T10 key LED
Printing of variables in progress
T6 key LED
Printing of alarm history in progress
T23 key LED
During hour band programming
