TROUBLESHOOTINGTROUBLESHOOTING
4-2-9. When alarm sounds continuously without stop(related with buzzer sound)4-2-9. When alarm sounds continuously without stop(related with buzzer sound)
Is door closedIs door closed
Is water penetratedIs water penetrated
into the door switch?into the door switch?
switch unit normal?switch unit normal?
Is the connector CN76Is the connector CN76
inserted correctly?inserted correctly?
Is manual operationIs manual operation
Does buzzer soundsDoes buzzer sounds
when power On again?when power On again?
voltage of main #58,#59voltage of main #58,#59
changed at door-open andchanged at door-open and
close status?close status?
If 'ding-dong'sound continuouslyIf 'ding-dong'sound continuously
If 'beep-beep' sounds continuouslyIf 'beep-beep' sounds continuously
Remove causes after comprehendingRemove causes after comprehending
the conditions of interferance by doorthe conditions of interferance by door
gasket, food etc,gasket, food etc,
Replace Door S/WReplace Door S/W
Repair wire connection andRepair wire connection and
Recheck and Replace Panel PCBRecheck and Replace Panel PCB
MAIN PCB & Door S/W MAIN PCB & Door S/W
Recheck and replace Panel PCBRecheck and replace Panel PCB
Replace Door S/WReplace Door S/W
Connector is not inserted,Connector is not inserted,
Repair disconnect partRepair disconnect part
Enforce the cancelation the manual operation/Enforce the cancelation the manual operation/
defrost function or power On after power Offdefrost function or power On after power Off
Seperate the door switch andcheck if theSeperate the door switch andcheck if the
measured value of unit is changed from 0measured value of unit is changed from 0
according to according to
switch ON/OFF.switch ON/OFF.
* FF Door Switch is magnetic switch.* FF Door Switch is magnetic switch.
It can be operated when door magnet isIt can be operated when door magnet is
combined with it.)combined with it.)
Door & MICOM StateDoor & MICOM State
FZ MICOM(#59)FZ MICOM(#59)
Right and LeftRight and Left