Installation / Operation Instruction Manual
Table Of Contents
- GAS-FIRED WATER HEATER
- TABLE OF CONTENTS
- Figure 1
- GENERAL OPERATION
- Probable Cause
- Control Status
- LED Status
- Millivolt power is not present. Light pilot.
- None (LED not on or flashing)
- Gas valve is powered and waiting for the set point knob to be turned to a water temperature setting. If the set point knob is at desired setting the thermostat is satisfied.
- If set point knob is in “PILOT” position, then pilot flame is detected. (no faults).
- One flash and three second pause
- LED strobe (two quick flashes) and three second pause
- Water heater operating normally.
- Thermostat calling for heat (no faults).
- Set point knob was recently turn to “OFF” position. Wait until LED goes out before attempting to relight.
- Set point knob has been recently turned to the “OFF” position.
- LED on continuously
- Weak pilot flame detected. System will reset when pilot flame is sufficient.
- Two flashes and three second pause
- Insufficient water heating. System will reset.
- Three flashes and three second pause
- Excessive tank temperature. System must be reset.
- Four flashes and three second pause
- Figure 11
25
Troubleshooting Chart – Honeywell V1 continued-
LED Status
Control Status
Probable Cause
Five flashes and
three second
pause
Temperature sensor
fault.
1. Damage to the temperature
wire.
2. Temperature sensor
resistance out of range.
3. Replace temperature sensor.
4. If temperature sensor
replacement does not correct
the problem; verify control is
not wet or physically
damaged.
5. Turn set point knob to "OFF"
position. Turn set point knob
to "PILOT" position and light
pilot.
6. Replace gas valve if five flash
error persists.
Six flashes and
three second
pause
Water leak detected
by accessory
module (some
models).
Excessive amount of water in
drain pan/water dam.
Seven flashes
and three second
pause
Gas valve electronic
fault detected.
1. Verify control is not wet or
physically damaged.
2. Turn set point knob to "OFF"
position. Turn set point knob
to "PILOT" position and light
pilot.
3. Replace gas valve if seven
flash error persists.
Eight flashes and
three second
pause
False pilot flame
present.
1. Pilot valve stuck in open
position.
2. Turn set point knob to "OFF"
position. Turn set point knob
to "PILOT" position and light
pilot.
3. Replace gas valve if eight
flash error persists.