X30 Owner’s Handbook Page 21
Diagnostic codes 03-1, 09-4, 12-4 and 19 to 26 are non critical warning codes, they will not shut the
PROHEAT down. The heater will continue to run, maintaining heat to the engine.
On indicator
Example:
LED Display showing
Code 01
Notice
Troubleshooting
Operation Indicators/Diagnostic Codes
The PROHEAT will be in the Cool Down (Purge) state as defined in Modes of Operation when Cool
Down LED is displayed. Refer to Installation and Service manual SL9211 at www.proheat.com
COMPONENT DIAGNOSTIC CODES:
This section covers individual electrical components. These codes indicate electrical faults ONLY.
Mechanical failures of a component are not detected electronically and will be indicated by a Function
Diagnostic Code. These diagnostic codes are not fully covered in this handbook. Refer to Installation
and Service manual SL9211 at www.proheat.com
Cool Down
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