Section 6 - Troubleshooting - FULTON VMP Series Installation, Operation And Maintenance Manual

Fulton Ltd
6.1 TROUBLESHOOTING
Problem
1. Ignition Failure
2. Flame Failure During
Start-up
VMP-IOMM-2018-2
Cause
1. Gas supply
2. Power Supply
3. Ignition Electrodes
4. Transformer
5. UV Detector
6. Burner Control
7. Air Settings
8. Faulty Air Switch
9. Gas Valve
10. Loose wire connections
1. Gas supply
2. Power Supply
3. Air Settings
4. Ignition Electrodes
5. UV Detector
6. Burner Control
7. Loose wire at fuel valve circuit.
8. Contact open on Air Switch
9. UV Detector wiring reversed at
control box.
TROUBLESHOOTING - 6
TROUBLESHOOTING
Remedy
Check for gas pressure and intermittent supply problems.
Check fuse or circuit breaker.
Reset or Replace as required.
Check for cracks in porcelain,if found replace the
electrode. Check electrodes for carbon build-up.
Clean as required.
Check settings, adjust if required.
Check voltage between transformer leads at terminal block
to be sure transformer is live.
Check for ignition interference.
Check voltage between ignition terminal and neutral, this
check must be made before the control locks out. If no
power, replace the control.
Check main air adjustment and secondary air adjustment.
Check for faulty air switch.
Check filters in the valve block. Clean as required.
Check connections to all components.
Check for gas pressure and intermittent supply problems.
Check fuse or circuit breaker.
Reset or Replace as required.
Check air adjustment. Air may be blowing flame away from
the UV detector. Open primary air until fire brushes the
furnace wall.
Check for cracks in porcelain,if found replace the
electrode. Check electrodes for carbon build-up.
Clean as required.
Check settings, adjust if required.
Check the detector is located correctly and clean.
Check voltage between ignition terminal and neutral, this
check must be made before the control locks out. If no
power, replace the control.
Tighten wiring connections.
Adjust to the correct setting.
Change to the correct terminals.
CONTINUED ON NEXT PAGE
SECTION 6 -
GAS BOILER
Page 59