Widney RSW10KL - Commissioning and Fault Codes; Commissioning, Fault Codes, and Troubleshooting

9
COMMISSIONING ENGINEER AND END USER FAULT CODES
Fault
Code
Problem Identified Action to take
E0
Input Water Temperature sensor
Fault
Switch off mains power supply – then restart by switching mains supply on and
pressing the on off button on the control panel – If problem persists contact
service
E1 Ignition Failure / No Flame Detected
Switch off mains power supply
Check gas supply and gas pressure at appliance
Restart by switching mains supply on and pressing the on off button on the
control panel
–
If problem persists contact service
E3
Blocked Flue—Abnormal wind
Condition
Switch off mains power supply
Check for blockage around outlet terminal
Leave for 30 minutes then restart by switching mains supply on and pressing
the on off button on the control panel – If problem persists contact service
E4 Fan or Power Fault
Switch off mains power supply –
Check mains supply and fuse
Restart by switching mains supply on and pressing the on off button on the
control panel – If problem persists contact service
E5
Outlet water temperature too high /
Over Temperature Protection
Switch off mains power supply –
Check flow of water supply to water heater
Switch on
Check temperature setting on water heater.
Turn to full and re test for temperature.
Turn Winter summer water valve to summer setting.
Switch off mains power supply
Restart by switching mains supply on and pressing the on off button on the
control panel – If problem persists contact service
E6
Water Outlet temperature sensor
failure
Check temperature setting on water heater.
Turn to full and re test for temperature.
Turn Winter summer water valve to winter setting.
Switch off mains power supply
Restart by switching mains supply on and pressing the on off button on the
control panel – If problem persists contact service
E7 DIP Switch incorrect setting
Factory Setting incorrect.
Switch off mains power supply
Switch of gas and water supply
Turn on all services
Restart water heater.
If problem persists contact service
F0 Power on start-up failure
Water is flowing through heater on power up.
Ensure water is NOT flowing through heater when power supplied.
Reset by turning off power and ensure all taps and shower are turned off. Re-
power water heater to clear fault code.