Filter
Top Products
Troubleshooting Guide (cont'd)
SYSTEMS CHECK
Please check guidelines below. For your safety,water heater service
should be performed only by a qualified servicetechnician.
_,WARNING
DO NOT BY-PASS ANY CONTROLS TO MAKE
HEATER OPERATE. OPERATE ONLY AS WIRED
FROM FACTORY.
VABC
000000
An open earth ground circuit to the
ignition system.
VABC
000000
Wiring error or a high resistance to
earth ground.
I. Check that the earth ground connection is
properly connected.
2. Check that the ground conductor on the
water heater is properly connected.
VABC
000000
Pressure switch remained closed longer
than 5 seconds after the call for heat
began.
I. Check for proper connection of line
neutral and hot wires.
2. Check that the water heater issecurely
connected to earth ground.
• A B C
000000
Pressure switch remained opened longer
than 5 seconds after the combustion
blower was energized.
h Pressureswitch wiring is incorrect.
2. Replacepressureswitch.
h Pressureswitch wiring is incorrect.
2. Pressureswitch tubing not connected
correctly.
3. Air intake or exhaust obstructed.
• A B C Error in the hot surfaceignitorcircuit, h Check that allwiring iscorrect and secure.
• 0 • 0 • • 2. Replacehot surface ignitor.
System in lockout.
•ABC
000000
I. Gassupply isoff or too low to operate.
2. Hot surfaceignitor not positioned correctly.
3. Low voltage to the water heater.
4. Electric polarity to unit is incorrect - test
and correct.
•ABC
000000
Problem in the gas valve driver circuit. I. Turn power to the water heater offfor
I0 seconds and then back on.
2. Replace gas control valve.
•ABC
000000
Problem with the internal circuit.
I. Turn power to the water heater off for
I0 secondsand then back on.
2. Replacegascontrol valve.
•ABC
000000
Problem with the internal circuit.
I. Turn power to the water heater off for
I0 secondsand then back on.
2. Replacegascontrol valve.
• A B C Flamesignalsensedout of proper
• 0 0 0 • 0 sequence.
I. Replace gas control valve.
•ABC
000000
ECO activated.
I. Replace gas control valve.
•ABC
000000
One ofthetemperatureadjust buttons
stuck closed.
h Press and release each of the buttons once.
2. Replace gas control valve.
•ABC
000000
Water temperature sensor is either
open or short circuited.
h Check that all wiring is correct and secure.
2. Replace gas control valve.
37