Technical information

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Servicing should only be performed by a Qualied Service Technician
TEST 2 - POLARITY CHECK
CONDITIONS:
• No Green display "Power" LED On.
• Plugs are in receptacles.
• Supply power breaker is not “open”.
• On/Off heater switch is “On”.
TEST 1
120 VAC check to water heater ON/OFF switch.
Check for 115-125 VAC black wire to ground\
115 VAC check to E13 Terminal and 2B receptacle.
IF......... THEN............
Voltage is not present from on/off
switch center black wire to ground
Check conditions above.
Check wiring from switch to break box.
Power is present from center on/off
terminal
Check power from on/off switch to ignition board terminal E13.