Troubleshooting - Procom Heating 110 Manual Del Propietário

FAULT CONDITION
(Continued) Heater ignites but control
assembly shuts heater off before run-
ning out of fuel.
DISPLAY
C7
Display shows
Button Stuck
C8
Display shows Tempera-
ture Over 100°F
C9
Display shows Low Pres-
sure (Setting 5)
12

TROUBLESHOOTING

POSSIBLE CAUSE
Control 1. One or more of the control
buttons is depressed con-
tinuously (stuck).
2. Defective control assembly
1. Room or ambient tempera-
ture exceeds 100°F
1. Air line or fitting leaking
2. Pump cover leaking. Pump
cover screws loose
3. Pump cover gasket leaking.
Pump output filter clogged
4. Pump pressure is low
5. Pump pressure is low. Can-
not adjust to specification.
Pump filters are dirty.
6. Pump pressure is low, pump
has excessive wear or im-
proper adjustment
www.usaprocom.com
Continued
WARNING: High voltage!
Unplug heater before servicing.
REMEDY
1. Unplug heater. Depress
and release each control
button several times to
check operation. Every but-
ton should click every time
it is depressed.
2. Replace control assembly.
1. Operate heater in a cooler
environment.
1. Unplug heater. Check air
lines and fittings of leaks.
Correct all leaks.
2. Unplug heater. Check pump
cover for leaks. Tighten
pump cover screws to 10-
20 in-lbs.
3. Unplug heater Replace
pump output filter. See
Pump Maintenance, page
17.
4. Adjust pump pressure to
specification. See Pump
Pressure Adjustment, page
14.
5. Replace pump filters. See
page 13.
6. Adjust pump rotor gap or
replace pump rotor and
blades. See page 17.
160108-01