User Manual

OM-BLT/BLP-G 19
Troubleshooting
C. MODELS WITH STANDING PILOT IGNITION SYSTEM
SYMPTOM WHO WHAT TO CHECK
(X indicates work that should only be performed by a qualified service representative)
Pilot will not light. User a. Lighting procedure, to ensure that the instructions in the Operation
section of this manual are followed.
Authorized
Service Rep Only
b. That the pilot gas supply line is purged of air. X
c. Pilot gas adjustment screw, to ensure that it is open. X
d. Pilot tubing and orice for clogging. X
Pilot ame goes out when
Combination Control
knob is released.
Authorized
Service Rep Only
a. Pilot gas adjustment. X
b. Are connections from Powerpile generator to Pilotstat power unit
and Powerpile operator clean and secure? X
c. Are open and closed circuit output voltages of the generator in the
acceptable range shown by the charts in the manual for the W720
Systems Tester? X
d. Resistance of the Pilotstat power unit. X
e. If an appropriate meter is not available, replace the generator rst,
then the power unit. X
Pan will not heat, and
pilot light is out.
User a. Is the Combination Gas Control Valve knob turned ON?
b. Check the pilot tubing and orice for clogging.
Authorized
Service Rep Only
c. Are connections from Powerpile generator to Pilotstat power unit
and Powerpile operator clean and secure?X
d. Are Open and closed circuit output voltages of the generator in the
acceptable range shown by the charts in the manual for the W720
Systems Tester?X
e. If an appropriate meter is not available, replace the generator. X
Pan will not heat, but pilot
light is burning.
Authorized
Service Rep Only
a. That secondary thermostat switch is closed.
D. MODELS WITH POWER TILT
SYMPTOM WHO WHAT TO CHECK
(X indicates work that should only be performed by a qualified service representative)
Pan will not tilt. User a. That electrical power supply is on.
b. For overheated actuator motor. Wait 15 minutes for motor to cool,
then operate the power tilt.
Authorized
Service Rep Only
c. For blown fuse on motor control circuit - Replace fuse with
approved equal.
d. For damaged DC rectier and operating relays.
e. Correct setting of upper and lower limit switches.