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5.11
3
- FUEL PUMP/SOLENOID
The fuel pump or fuel solenoid has shorted.
-The burner will shut down.
-The diagnostic code,
3
will be displayed.
-The buzzer will sound for 10 seconds.
-The control board will purge the system with the combustion fan and circulating pump for two
minutes.
-In order to restart the burner, check the fuel pump and solenoid for a short circuit. Then reset the fault
by switching the service switch OFF then ON again.
The remote panel switch does not reset short circuit faults.
5.12
4
- IGNITOR
The ignitor is open or shorted
-The burner will shut down.
-The diagnostic code,
4
will be displayed.
-The buzzer will sound for 10 seconds.
-The control board will purge the system with the combustion fan and circulating pump for two
minutes.
-In order to restart the burner, check the ignitor and connections. Then reset the fault by switching the
service switch or the remote panel switch OFF then ON again if the ignitor is
open
or by the service
switch only if the ignitor is
shorted
.
The remote panel switch does not reset a short circuit fault.
5.13
5
- COMBUSTION FAN
The combustion fan is open or shorted.
-The burner will shut down.
-The diagnostic code,
5
will be displayed.
-The buzzer will sound for 10 seconds.
-The control board will purge with the circulating pump for two minutes.
-In order to restart the burner, check the combustion fan. Then reset the fault by switching the service
switch or the remote panel switch OFF then ON again if the combustion fan is
open
or by the service
switch only if the combustion fan has
shorted.
The remote panel switch does not reset a short circuit fault.
Содержание CO105D
Страница 14: ...Figure 2 1 Component Parts CO Model See Chapter 8 for complete Parts Listing...
Страница 15: ...Figure 2 2 Typical Installation...
Страница 51: ...FIGURE 8 1 HEATER ASSEMBLY...
Страница 52: ...FIGURE 8 2 COMPONENT BOX ASSEMBLY...
Страница 53: ...FIGURE 8 3 WATER JACKET AND BURNER BOX ASSEMBLY...
Страница 54: ...FIGURE 8 4 BURNER TUBE ASSEMBLY...
Страница 55: ...FIGURE 8 5 COMBUSTION FAN ASSEMBLY...