CPI CDM12K, Operating Instructions Manual

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CPICDMOPINST Page - 12 SALES + SERVICE
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 UV Lamp is not on  Lamp has burned out
 Lamp ballast has no power
 Fuse on control board has
blown
 Remove four screws on the shroud
housing the UV lamp, check that the
lamp has not burned out. Replace lamp
if necessary
 Check for power to the lamp – check for
power to interior lamp ballast (behind
control panel, right side of
compartment– you must remove the
front panel for access), Replace lamp
ballast if necessary
 Check for power to lamp ballast, check
fuse on control board behind the
controller (with panel off).
 No Heat  Fuse on control board has
blown

Faulty thermostat
 Faulty element
 Check for power to heating element,
check fuse on control board (with panel
off)

Check thermostat control, mounted on
interior compartment (with front panel
off), ensure it is set 1/8
th
of turn from
“HIGH” – replace thermostat, if
necessary
 Replace heating element if necessary
 With unit empty, run for 30 minutes,
pilot indicator on control panel should
“cycle” on and off