
1801UDSBD-4E,--EN, Pag. 26/35
The integrated control relay monitors the operation of the heater. If the heater fails to operate properly, review the flow chart
below and see the operating sequence in section 16.
The general troubleshooting charts on the following pages will also help you to determine the problem.
TROUBLESHOOTING
1/ Air heater does not operate and lock-out indicator light is off
5
55
2
Содержание UDSBD-4E
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