Service Manual

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Step 3. Press the lower right “Next” button. The display will flash and show the number of any alert codes.
These are not currently used.
Step 4. Press lower right “Next” button. The display will flash and show the number of any Lockout codes. If
there are no lockouts, the display will show 00. If there are multiple lockout codes “Next” will scroll through
them.
Step 5. Press “Next”, the display will show “DHW MAX”. This is the maximum allowable temperature that the
unit can get to before a lockout occurs.