Testing The Ignition Safety Shut-Off Device - Watts AERCO EXT Installation, Operation & Maintenance Manual

Modulex EXT Commercial Series
CHAPTER 4: Installation Instructions

4.32 Testing The Ignition Safety Shut-Off Device

1. Power on by switching on the ON-OFF switch.
2. Create a request in C/H Central Heating.
3. Turn burners ON.
4. Disconnect the plug and socket connection of the ionization cable (WHITE) of BURNER 1.
5. The display will show ERROR CODE 05.
6. Press Reset Button.
7. The boiler will retry ignition cycle and the display shows ERROR CODE 04: Ignition Failure.
8. Connect the plug socket connection of the ionization cable.
9. Press Reset Button and check that the boiler starts correctly.
W A R N I N G !
Do not touch inside of ignition cable while disconnected during start-up of the boiler.
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