8.1.1
Checking the pump after the overload switch has tripped
If the motor has been switched off by the built-in overload switch or the
motor overload switch, carry out the following steps:
1. Disconnect system from the power supply.
2. Turn the motor shaft on the fan side using a screwdriver and check
If the motor shaft is difficult to turn:
1. Remove screwdriver.
2. Notify Customer Service and have the pump tested.
If the motor shaft is easy to turn:
1. Remove screwdriver.
2. Open the valves completely.
3. Reconnect to the power supply.
If the pump is stuck, the motor can be damaged if it is repeatedly
switched on.
4. Press the button on the motor overload switch.
5. Have an electrician test power supply, fuses and power
6. If the motor overload switch switches the motor off again, notify
12/2014
VG 766.2320.050
if it turns easily.
Ensure that the pump is only switched on once.
consumption.
Customer Service.
8 Defects
EN 81