Honeywell WV4460E Instructions D'installation page 10

WV4460E POWER VENT WATER HEATER CONTROLS
Green LED
Status
Seven Flash, Flammable Vapor Sensor Lockout
three second
pause
Eight-One FVS Fault Detected
Flash, three
second pause
Eight-Two Temperature Sensor Fault Detected
Flash, three
second pause
Eight-Three Electronics Fault Detected
Flash, three
second pause
Eight-Four Valve Fault Detected
Flash, three
second pause
SLIDE SWITCH TO THE ON POSITION,
TURN THE SET KNOB TO HOT;
INDUCER SHOULD START
PRESSURE SWITCH SHOULD CLOSE
PILOT VALVE SHOULD OPEN AND
IGNITION SOURCE SHOULD START
SPARKING UNTIL PILOT FLAME IS LIT
MAIN VALVE SHOULD OPEN AND
MAIN FLAME SHOULD BE LIT BY
PILOT FLAME
SYSTEM OK
69-1872EF—01
Indicates
NO
YES
NO
YES
NO
YES
NO
YES
Fig. 9. Troubleshooting without status LED.
WARNING: EXPOSION HAZARD
• Indicates gasoline vapors were detected at potentially
explosive levels.
• Verify no gasoline vapors are still present.
• Reset the control by cycling power to the appliance or
by cycling the ON/OFF switch.
• Replace the Flammable Vapor Sensor element if a
gasoline spill event occurred.
• Verify Flammable Vapor Sensor (FVS) resistance is

not below 2.5 K .
• Check wiring to FVS and insure it is not shorted.
• Replace control if everything above checks out OK.
• Verify wiring to Thermal Well is not damaged or
broken.
• Verify both sensors in the Thermal Well measure

within 500 's of each other (center terminal is
common) and that their values are in the range of 3
 
K to 30 K .
• Verify control is not wet or physically damaged.
• Reset control on ON/OFF switch.
• Replace electronics module If 8-3 error persists.
• Verify valve is not wet or physically damaged.
• Reset control on ON/OFF switch.
• Replace gas control if 8-4 error persists.
CHECK:
TANK TEMPERATURE IS AT OR CLOSE TO HOT SET POINT
WIRING OF LINE VOLTAGE SUPPLY
INDUCER WIRING, INCLUDING L2 RETURN
TEMPERATURE SENSOR AND FLAMMABLE VAPOR
SENSOR AND THEIR CONNECTIONS
CHECK:
PRESSURE SWITCH INCLUDING WIRING
CHECK:
INLET PRESSURE
MAKE SURE AIR IS BLED OUT OF SYSTEM
CLOGGED PILOT ORIFICE
GAS LEAK IN PILOT TUBING CONNECTIONS
WIRING TO THE FLAME/SPARK ELECTRODE
FLAME/SPARK ELECTRODE IS IN THE CORRECT
POSITION RELATIVE TO THE PILOT BURNER
CHECK:
INLET PRESSURE
10
Check/Repair
M24117B