61
FAULT AND ALERT MESSAGES
Call the technical support phone number listed on the back cover for further technical assistance or to locate a qualified service agent
in your area.
Possible Causes - Check/Repair
Displayed Fault/Alert Message
•
Using a manometer, ensure that gas supply pressure is
above minimum requirement listed on heater’s data plate
and does not drop more than 1.5” W.C. when unit fires.
•
Ensure wire connections to gas valve are clean and tight.
•
Ensure wire connections to flame sensor are clean and
tight.
•
Ensure wire connections to spark igniter are clean and
tight.
•
Inspect flame sensor, clean/replace as needed.
•
Inspect spark igniter, realign igniter gap as needed
•
Ensure adequate electrical ground to heater.
ADVANCED
BACK
0 days 0 hrs 0 mins ago
Error Code: B2-70
Ignition Failure
Flame not detected. Clean flame
rod. Check gas supply.
Press the Advanced button for
more information
•
Confirm supply gas is turned on.
•
Using a manometer, ensure the supply gas pressure is
above minimum pressure requirement listed on heater’s
data plate before and during operation.
•
Ensure wire connections to gas pressure switch are clean
and tight.
•
If all above conditions are met, replace gas pressure
switch.
ADVANCED
BACK
0 days 0 hrs 0 mins ago
Error Code: A6-501
Low Gas Pressure
Low Gas Pressure
Press the Advanced button for
more information
•
If Blocked Exhaust error occurs when blower is running,
check for restrictions in exhaust pipe, including exhaust
elbow, condensate drain, and outside termination. Also
check exhaust pipe installation (size/length) per manual.
•
If Blocked Exhaust error occurs before blower runs,
make sure pressure switch connections are clean and
tight. Check pressure switch continuity/resistance. Switch
should be closed (continuity/0 ohms). Replace switch if
open (no continuity).
•
Other possible causes: high wind conditions and
excessive negative air pressure in building.
ADVANCED
BACK
0 days 0 hrs 0 mins ago
Error Code: A7-1201
Blocked Air Intake
Restriction in air intake.
Check intake pipe and
termination for blockage.
Press the Advanced button for
Содержание SUF 60120 THRU
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