Blue Bird M380 2003, Руководство пользователя

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4-10 – Interior and Exterior Systems Operation – Heating Systems__________________________M380 Owner’s Manua
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4-10-6 Rev. “F”
4-10.5.7 – Thermostats Off (Normal Operation)
All thermostats and aquastats are satisfied.
- The burner will shut down.
- The diagnostic code, will be displayed.
- The control board will purge the system with the combustion fan and the circulating
pump for two minutes. When any thermostat or aquastat calls for heat, the heater will
resume normal operation.
- If the heater fails to resume operations, check the thermostat and their connections.
4-10.5.8 – Voltage Low or High
The battery or power supply voltage is below 10.5Vdc or above 15.5Vdc.
- The burner will shut down.
- The diagnostic code, 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 while it is checking if the voltage fault is still present.
If the voltage fault has cleared, the control board resets the alarm and restarts the burner.
If the condition has not cleared by the end of the purge period, the diagnostic code
remains displayed. The control board continues to check the voltage every half hour until
the voltage fault clears and then restarts the burner. To manually reset the fault, switch
the service switch or the remote panel switch OFF then ON again.
4-10.5.9 – Overheat
The high temperature limit has been reached.
- The burner will shut down.
-
The diagnostic code, will be displayed.
- The buzzer will sound for 10 seconds.
- The control board will purge the system with the combustion fan and the circulating
pump for two minutes while it is checking if the overheat condition exists. If the
condition exists, the diagnostic code
will continue to be displayed.
- In order to restart the burner, first check the circulating pump, the level of the coolant,
and the movement of the coolant while the circulating pump is running. Then reset
the fault after the water has cooled down by switching the service switch or the
remote panel switch OFF then ON again. If it does not reset, check for faulty aquastat
and proper ground.
If a number diagnostic code lights up and the heater is not in an overheat condition, check
the ground from the heater to the battery. The ground should be a minimum 10 AWG and
connected directly to the battery.
4-10.5.10 – Fuse Blown
One of the fuses on the control board has blown.
- The burner will shut down.
-
The diagnostic code, will be displayed.
- The buzzer will sound for 10 seconds.
- The control board will purge the system with the combustion fan and the circulating
pump for two minutes while it is checking for a blown fuse.