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VI. d- DOOR OPEN ALARM
Checkfor a failed door/
light relay.
2
Door(s) open
longer than 5
minutes?
1
YES
NO
Close
door(s).
IS OK
IS NOT OK
Replace
failed
relay.
Check for mis-wired
door switch.
Is there water
in the door
switch?
YES
NO
Replace
door
switch.
IS NOT OK
Replace
door
switch.
1= H1 and MIT 1 control versions only.
2= See procedure on page 7.