V65EP User Manual

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Value Series Manual 33

To Display Diagnosc Informaon

To display the most recent diagnosc codes press and hold the “On/O” buon for 2 seconds on the MC-91-2

controller. While holding the “On/O” buon press the up buon. The last 9 diagnosc codes will ash one

aer the other. To exit this mode press the “On/O” and up buon as before.

To enter or exit the maintenance monitor informaon mode press and hold the down buon for 2 seconds and

without releasing it press the ON/OFF buon.

To obtain the water ow rate press the up or down buons unl “01” displays. The water ow rate will then

appear. For example “58” means 5.8 gal/min.

To obtain the outgoing water temperature press the up or down buons unl “02” displays. The temperature

will appear in degrees Fahrenheit.

Diagnosc Codes

This water heater is designed to display diagnosc codes. If there is a potenal operaon concern refer to the

code and remedy on the next page.

Data Unit No.

Water ow rate 0.1 gal/min 01

Outgoing water temperature Degrees Fahrenheit 02

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User Manual - Page 33