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Suburban DynaLine Owner's Manual 04/2021 Rev.4
APPENDIX B
SYSTEM FAULTS AND SERVICE MENU DESCRIPTION
When a system fault is detected such as the HIGH LIMIT SWITCH OPEN, the DECIMAL POINT located in the lower right hand corner
of the display will illuminate. When the fault is corrected or removed, the DECIMAL POINT will extinguish. The fault is logged into the
microprocessor and can be recalled by the field service person. Faults will remain logged as long as power has not been interrupted to
the control.
To review the faults that have been logged, a SERVICE menu can be activated by pressing both the SYSTEM key and the WARMER
key simultaneously. "Sr" will now be displayed and the SYSTEM mode will go to the STANDBY setting. Check for fault number associ-
ated with the STANDBY mode.
FAN
LOW
HIGH
STANDBY
SYSTEM
COOL
FAN ONLY
HEAT
SET
COOLER
WARMER
Using the SYSTEM key, press once to go from STANDBY to HEAT. Check for fault numbers associated with the HEAT mode.
Press the SYSTEM key again to go from HEAT to COOL. Check for fault numbers associated with the COOL mode.
The SERVICE menu will “Time Out” automatically, and revert back to the previous setting.
NOTE 1:
To removed faults that have been logged, cycle the power OFF (for 3 seconds) and then back ON.
NOTE 2:
To reset a HEAT MODE LOCKOUT condition, exit the HEAT MODE of operation by pressing the system key and selecting
any other system mode such as STANDBY for a minimum of 2 seconds before re-selecting the HEAT MODE of operation.
NOTE 3:
When air conditioning is turned off, the compressor will not restart for five minutes. This delay period is to protect the
compressor.
NOTE 4:
TEMPERATURE DISPLAY °F or °C
1. Depress “SYSTEM” and “WARMER” buttons at once and release. “Sr” will display.
2. Depress both “WARMER” and “COOLER” buttons to display F° or C°.
NOTE:
“SR” will not display if the SET light is on.
CONTINUOUS FAN MODE SET-UP
1. Depress “SYSTEM” and “WARMER” buttons at once and release. “Sr” will display.
2. Depress “FAN” button. “ON” will display for Continuous fan. “oF” will display for fan cycling.
