Troubleshooting Tips; Configuration Mode - GE RAK148D1 Owner's Manual & Installation Instructions

Operating functions.
Heat
• In this mode, the thermostat
controls the heating system.
• Press the
the desired temperature.

Troubleshooting tips.

Problem
No display
System fan does not
come on properly
Thermostat turns on and
off too frequently
Fan runs continuously
Room temperature is
not correct
Auxiliary heat not on
soon enough
Compressor doesn't run
or turn off immediately
when changing function
or setting
Fan doesn't run or turn off
immediately when changing fan may have a 3 minute minimum
function or setting
Problem not listed above
12
or buttons to set
Standby
Set
Solution
Check for 24 VAC at thermostat;
display is blank when 24 VAC is
not present.
Verify that wiring is correct.
Adjust temperature differential
(see Temperature Differential,
Stage 1).
Check Fan Auto/On switch. If set to
ON position, fan will run continuously.
Verify that wall hole is plugged
with putty or insulation; calibrate
thermostat (see Configuration mode).
Adjust differential for 2nd stage
(RAK148D1 only) heating, if required
(see Configuration mode).
There is a 3 minute time delay and
a 3 minute minimum run time for
the compressor when it turns on/off.
This is normal. On some models, the
run time/off time delay.
Press the Reset button once;
display will be refreshed.