ZIEHL MSR820V, Руководство по эксплуатации

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MSR820V 12400-0701-00 Page 8 / 10 www.ziehl.de
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Relay does not switch on (LED K1, K2 off)
Cause No supply voltage at terminals A1, A2
Remedy Apply supply voltage (check), green mains led must be light up
Cause At least one red LED of the PTC thermistor circuits T1 ... T8 lights up
Remedy Check the wiring of the PTC thermistors, PTC thermistor circuits where the red
LED lights up have a resistance > 3650 Ohm
Cause At least one red LED of the PTC thermistor circuits T1 ... T8 lights up and the
green LED flashes
Remedy Short circuit in PTC thermistor circuit, check wiring.
Cause At least one red LED of the PTC thermistor circuits T1 ... T8 flashes
Remedy There is a stored tripping. Press the reset or external reset button at Y1, Y2.