TM 10--3510--221--10
0020 00--3
HEATING SYSTEM TROUBLESHOOTING --
Continued
0020 00
FUEL PUMP WILL NOT PRIME OR FUEL PRESSURE LO -- Continued
9.
Wait about 30 seconds then observe heater operation.
Does heater come on?
YES Go to step 10.
NO Notify Maintenance.
10. Observe operator panel A display (WP 0008 00, Figure 2, 6) for approximately 5 minutes.
Does another ”FUEL PRESSURE LO” message appear?
YES Notify Maintenance.
NO Return to normal operation.
HEATER SMOKING
1.
Check adjustment on inlet cover (WP 0013 00).
Is inlet cover set properly?
YES Notify Maintenance.
NO Adjust inlet cover as necessary. Return to normal operation.
HEATING SYSTEM FAILURE
1.
Observe operator panel A display (WP 0008 00, Figure 2, 6).
Is ”20 HP INVERTER FAULT” message also displayed?
YES Go to 20 HP INVERTER FAULT (WP 0019 00).
NO Go to step 2.
2.
Observe operation of still condenser fan.
Is condenser fan on?
YES Go to step 3.
NO Go to 20 HP INVERTER FAULT (WP 0019 00).
3.
At heater control enclosure press FP300 RESET switch (WP 0008 00, Figure 4, 4).
4.
Wait about 30 seconds then observe heater operation.
Does burner blower come on?
YES Go to step 5.
NO Notify Maintenance.
5.
Observe operator panel A display (WP 0008 00, Figure 2, 6) for approximately 5 minutes.
Does another ”HEATING SYSTEM FAILURE” message appear?
YES Notify Maintenance.
NO Return to normal operation.
