andrews RFF 13/175 Installation And Service Manual page 46

Error code index
idle
Fig. 66
Stored error code
for code index #9
idle
Fig. 67
°F
idle
Fig. 68
Issue 4 21042018
setpoint
4. Press the 'Temperature Down' button to change to the
previous code index, code #9 (Fig. 66).
5. Press the 'Select' button for code index #9 to view if
there are any code numbers (Fig. 67).
6. Continue pressing the 'Temperature Down' button to
change to the next error code index and press 'Select' to
view the error code number, if any, for that index number.
Continue on to index #1, the oldest error code index. The
water heater display will store up to 10 error codes with the
oldest code starting in code index #1 with the most recent
code in code index #10.
7. 10 seconds after the last button press, the Water Heater
Display will revert back to the current error code display. To
exit Service Mode, either wait 30 seconds or press
Temperature Up button and Select Button for 3
seconds (Fig. 68).
46