Navien NCM-1130HH Installation Instructions Manual page 73

Gas fired waa mounted stirling engine m-chp
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Error with Service Reset
The number of User or Service Resets is limited to 5 Resets per 15 minutes.
If no Reset was done for more than 15 minutes, the Reset credit counter will be 5.
This is the maximum credit number. With each Reset, the credit will be decremented.
If the credit is 0, it is not possible to activate a Reset.
Each 3 minutes, the credit will be increased by +1 up to the maximum of 5 credits.
Diagram 6.1 Service re-set button (remove controller casing first)
Navien stirling engine m-CHP installation manual
Service reset button
If an error occurs which requires a Service
Reset, this will be displayed with a bell
and a screw wrench in the display.
By pressing the Info button, the type of
error will be displayed with an error code
number and a short error text.
By pressing the Info button once again,
the next display will display which type of
Reset (User Reset or Service Reset) is
required. The service reset button is
shown in photo 5.5 (below)
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