CORRECTIVE ACTION
PROBABLE CAUSE
SYMPTOM
15. Surveillance module
Upper/lower solution
Check and reconnect
displayed incorrect
sensor disconnected.
sensor.
temperature; led
lamps onor off and
Upper/lower solution
Replace sensor(s).
pushbutton Selection
sensor defective.
switch notdepressed or
depressed momentarily.
Digital temperature
Replace display.
display defective.
16. Door status led lamp
Reset switch defective.
Replace switch.
constantly on or flashing
and monitor section
audible alarm constantly
on or pulsing; door closed.
17. Door status led lamp
Door switch(es) defective.
Replace switch(es).
constantly on or
flashing; no audible
Switch circuits defective.
Determine reason and
alarm; door open.
correct.
Silence/reset switch
Replace switch.
defective.
Switch or audible alarm
Determine reason and
circuits defective.
correct.
Audible alarm defective.
Perform other tests
involving alarm and
replace, if required.
18. Door status led lamp
Led lamp defective.
Replace lamp.
off; monitor section
audible alarm operating Circuit defective.
Determine reason and
correctly; door open.
correct.
MD0367
A-7