QUANTUM
™
LX EVAPORATOR CONTROL PANEL
MAINTENANCE
090.610-M (MAY 2016)
Page 21
+12 VDC Adjustment
Locate the DC power supply terminals. Place the
negative lead on - and the positive lead on +.
Verify that the DVM is displaying in the range of
+12.10 to +12.20.
If adjustment is required, locate the adjustment
access hole on the +12 VDC supply, as previously
shown. While watching the DVM, slowly rotate
the screwdriver blade clockwise to increase the
voltage or counter-clockwise to decrease until the
voltage is correctly adjusted.
POWER SUPPLY REPLACEMENT
If the power supply is found to be bad, or not capable
of acceptable adjustment, the failing supply will need
replacing. Refer to the Recommended Spare Parts list
for the appropriate part number.
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