Installation / Operation Instruction Manual
Table Of Contents
- TABLE OF CONTENTS
- INSTALLATION
- Figure 1
- 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.
- Thermostat calling for heat (no faults).
- Water heater operating normally
- Set point know 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
- Probable Cause
- Control Status
- LED Status
- Five flashes and three second pause.
- Temperature sensor fault.
- Water leak detected by accessory module (some models).
- Six flashes and three second pause.
- Gas valve electronic fault detected.
- Seven flashes and three second pause.
- Eight flashes and three second pause.
- False pilot flame present.
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 damage
d.
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.