Procom Heating PCK110VT Manual Del Propietário página 12

WARNING: High voltage! Unplug heater before servicing.
(Continued) Heater ignites but control assembly shuts heater off before
DISPLAY
Display shows C7 Control
button stuck.
Display shows C8 Tem-
perature Over 100°F.
Display shows C9 Low
Pressure (Setting 5).
12
TROUBLESHOOTING
FAULT CONDITION
running out of fuel.
POSSIBLE CAUSE
1. One or more of the control
buttons is depressed continu-
ously (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.
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REMEDY
1. Unplug heater. Depress and
release each control button
several times to check opera-
tion. Every button 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 Rotor,
page 17.
4. Adjust pump pressure to
specification. See Pump Pres-
sure Adjustment, page 14.
5. Replace pump filters. See
page 13.
6. Adjust pump rotor gap or re-
place pump rotor and blades.
See page 17.
160108-01C