
DOL 31 Speed Controller
Technical User Guide
29
11 Trouble shooting instructions
Error
Error correction
No light in the display.
Check the supply voltage, fuses, residual current cir-
cuit breaker.
The fan is not running
Check that the AUT-0-MAN switch is set on the re-
quired function
Fans run 100 %
Light cannot be adjusted up/down
Check that the switch is set on the required function or
see section
The temperature sensors show a wrong temperature
in the display
12 temperature sensor control [
.
No alarm at high/low temperature
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