Checking The Hot Surface Ignitor; Resistance; Checking The Hot Surface Ignitor; Supply Cord - Buderus Logamax plus GB142-24 Installation And Servicing Instructions

Servicing

14.11 Checking the hot surface ignitor;

resistance
Disconnect the heating system from the power
supply, remove the main fuse or switch off the circuit
breaker.
Set the main switch on the BC10 to "0" (Off).
Remove the casing.
Disconnect the plug and socket connection of the
cable of the hot surface ignitor.
Test the resistance of the hot surface ignitor on the
plug. A resistance value between 50 – 300
that the hot surface ignitor is OK (see fig. 59).
Remove the measuring device.
Reconnect the cable plug if the hot surface ignitor is
OK.
Fit the casing.
Connect the heating system to the power supply,
insert the main fuse or switch on the circuit breaker.
Set the main switch on the BC10 to "1" (On).
14.12 Checking the hot surface ignitor;

Supply cord

WARNING!
Avoid damage: do not push the measuring
pin of the volt-ohm-multiammeter too
deeply into the socket.
Remove the casing.
Disconnect the heating system from the power
supply, remove the main fuse or switch off the circuit
breaker.
Set the main switch on the BC10 to "0" (Off).
Pull the plug of the hot surface ignitor.
Loosen the fastening screw of the UBA3 (see fig. 60,
pos. 1).
Remove the UBA3 by pulling it forward as indicated
by the arrow (see fig. 60, pos. 2).
Set the volt-ohm-multiammeter to "Resistance
testing".
We reserve the right to make any changes due to technical modifications!
Installation and Servicing Instructions Logamax plus GB142-24/30/45/60 • Version 12/2004
means
Fig. 59 Checking the hot surface ignitor
1
Fig. 60 Dismantling the UBA3
2
Buderus Hydronic Systems • http://www.buderus.net
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