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DIAGNOSTIC CODES
Whenever a failure occurs, an alert sounds and a diagnostic code is displayed
to indicate the failure mode at the time of occurrence.
The following table includes a list of diagnostic codes
that can be displayed as well as recommended
remedies to address the problem.
Code
Indication
Remedy
E0
Blower system problem occurred.
1.
The blower jammed or stopped
operating because of a foreign
object.
2.
The blower fan suffered a
mechanical breakdown.
3.
The fan power control module has
broken down.
4.
Wiring harness or wiring connection
somewhere in fan connection has
come loose.
1.
Check to see if fan turns freely.
Remove any foreign objects jamming
the fan.
2.
Replace the blower fan.
3.
Replace the control module.
4.
Reconnect as required.
E1
Outlet water temperature sensor error.
1.
The sensor plug has come loose or
failed to connect properly to the
circuit board.
2.
The sensor broke down (A short
circuit, open circuit, or accidental
contact with the casing occurred.)
3.
The circuit board of the controller
malfunctioned.
4.
Sensor is scaled
1.
Plug in the element properly.
2.
Replace the temperature sensor.
3.
Replace the controller
4.
Clean sensor
Figure 5 - Control Panel
Example- Displaying Error
Code E2
Summary of Contents for AHG-T42-LP
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