System Details 45
4.7.6 Ignition Transformer
Item Description
Function Provides voltage for the igniter for gas ignition purposes.
Fault
1. The igniter is unable to ignite the gas.
2. Results in multiple unsuccessful ignition attempts to.
Symptoms
1. The boiler does not ignite and error code E003 or E004 is displayed.
2. Durability of the transformer wears down.
Error codes E003, E004
Diagnostics
1. Visual inspection: Check wire connections are secure and inspect for wire damage.
2. Voltage test: Test the voltage meets the specifications shown below.
Testing/inspection
information
BROWN - BLUE
●
On: AC 230 V
●
Off: 0 V
Input Voltage Output Voltage Output Current
230 V, 50 Hz ±20 kV 10 mA, ±2 mA
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