Ruud PowerVent 2 AP13370-2 - Manual (Page 26)

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Before You Call For Service…
Problem Possible Causes What To Do
Not enough or Water usage may have Wait for the water heater to recover after an
no hot water exceeded the capacity abnormal demand.
of the water heater.
Low gas pressure. Check gas supply pressure and manifold pressure.
The pilot burner will not light. Check the pilot burner. If necessary, refer to the
instructions in the “Lighting The Water Heater”
section of this manual.
The gas control (thermostat) See the “Water Temperature Setting” of The Water
may be set too low. Heater section of this manual.
Leaking or open hot Make sure all faucets are closed.
water faucets.
LED Status Possible Causes What To Do
Slow Flash Normal Operation No problem.
Fast Flash Normal Operation Wait until gas control generates a self-reset.
Call for heat.
Solid Red LED Lockout condition. Replace gas control.
Internal failure detected.
2 Flashes Lockout condition. Third failed ignition attempt. Unplug to reset control.
Ignition failure. Contact local qualified service agent. Make sure manual
gas shut-off valve is open. If pressure is too high the
valve will not operate. Refer to “Installing the water
heater”
Clean any scale buildup from burner and pilot assembly
The spark ignitor assembly could be damaged or broken.
If so, replace assembly.
Bleed air from gas line.
3 Flashes Lockout condition. Contact local qualified service agent.
Switch fails to open. Chec for blockage in the vent system.
Replace pressure switch.
4 Flashes Lockout condition. Contact local qualified service agent. Inspect vent pipe
Switch fails to close. and dilution air inlet for blockage. (Refer to “Routine
Preventative Maintenance”)
●
Make certain proper ventilation air us supplied. (Refer to
“Combustion and Ventilation Air”)
5 Flashes Lockout condition.
●
Verify electrical supply outlet polarity.
Neutral polarity failure.
6 Flashes Lockout condition.
●
Replace valve.
ECO failure
CAUTION: For your safety DO NOT attempt repair of gas piping, gas control (thermostat), burners, vent connectors or
other safety devices. Refer repairs to qualified service personnel.
CAUTION: Make certain power to water heater is “OFF” before removing protective cover FOR ANY REASON.
CAUTION: Label all wires prior to disconnection when servicing controls. Wiring error can cause improper and dangerous
operation. VERIFY PROPER OPERATION AFTER SERVICING.
Gas Valve Error Code Table