WL350 Operating, Installation, and Service Manual Page 51 – Revision 8-30-2016
FAULT CODE:
Green Flashing Light and 15 second Audible Alarms –Indicates the
Firewall UV system is not detecting adequate dose of UV to ensure safe water.
*The Cold Solenoid will shut down and no cold water will dispense. Hot water will
still dispense.
Possible Reason
Solution
Firewall UV System does not
have adequate dose of UV.
Check UV System
1.
If Ballast Indication Light is Green – the system should
be operational. Ensure UV lamp is on. Replace Lamp.
If lamp is replaced and problem persists, replace UV
Sensor.
2.
If Ballast Indication Light is Red, change UV Lamp.
3.
If Ballast Indication Light is not lit – check power to
Ballast. If power is going to Ballast – replace Ballast.
Power to Ballast
Remove Cover to locate Ballast
N = Black Wire
L = White Wire (Live)
1 = White Wire
2 = White Wire
3 = Yellow Wire
4 = Yellow Wire
Ballast Indication Light
Wiring Harness to UV Lamp
Flashing Green Light
