andrews RSC 9/145 Service Manual page 38

°F Differential
idle
Fig. 36
idle
Fig. 37
idle
Fig. 38
Issue 4 21042018
Soft
No current error
codes
6. Differential (Display only – shows the differential of the
thermostat) (Fig. 36).
7. Software Version (Display only) (Fig. 37).
8. Error Code History (Displays if there are present error
codes or up to 10 previous error codes). Water Heater
Display will show -- if there are no error codes
(Fig. 38).
38