4
Fault finding
Logamax Plus GB062
24
8Y
External switching contact triggered.
Step
Remedy
1.
B
Switch off the boiler.
Is the bridge in connection terminal
installed ?
yes:
--> 2.
no:
B
Install the bridge in
B
Switch on the boiler.
8Y ? --> 2.
2.
B
Switch off the boiler.
B
Cut the main voltage supply.
Is external temperature limiter (e.g.
TB1) connected ?
yes:
--> 3.
no:
8Y ? --> 6.
3.
B
Check the external temperature lim-
iter measure the circuit.
Is the circuit open?
yes:
B
Check the connection at limiter and fasten the screws
very well.
B
Switch on the main voltage supply.
B
Switch on the boiler.
8Y ? --> 4.
no:
--> 4.
4.
B
Switch off the boiler.
B
Cut the main voltage supply.
B
Check the connection cable.
Is there a brake or open circuit in
connection cable ?
yes:
B
Repair or change the connection cable.
B
Switch on the main voltage supply.
B
Switch on the boiler.
8Y ? --> 5.
no:
B
Connect the cable again.
B
Switch on the main voltage supply.
B
Switch on the boiler.
--> 5.
Содержание Logamax GB062-24 KDE H V2
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