Troubleshooting - Robertshaw 9600 User Manual

Troubleshooting

Symptom
Thermostat does not turn
on system.
Thermostat turns on and off too
frequently.
Display is blank, flashing or
constant LO BAT.
Weekend program follows four
adjustment settings.
System fan does not operate
properly.
Time shown on display is not the
current time of day.
Thermostat does not
follow program.
If problems with thermostat cannot be solved, call:
For warranty returns, send thermostat, shipping prepaid to:
Technical Support: (800) 445-8299
Monday-Friday 7:30-5:30 CST
For after hours service, a 24-hour
automated help line is available.
MAPLE CHASE COMPANY
Warranty Department
2820 Thatcher Road
Downers Grove, IL 60515
Check wiring.
(See INSTALLATION)
Check fuse. Replace with 2 amp
Slo-Blo fuse if fuse has opened.
Increase temperature differential.
(See PROGRAMMING)
Replace batteries.
Verify that day of week is set
correctly. (See PROGRAMMING)
Move fan option switch to either
gas or electric, to match system.
(See INSTALLATION)
Change time of day setting.
(See PROGRAMMING)
Thermostat in MANUAL mode.
(See PROGRAMMING).
Thermostat may not have been
programmed in HEAT or COOL
position. Verify program.
Check AM/PM indicators at time
of day and programmed time
changes. (See PROGRAMMING)
Verify program and day of week
are correct. (See PROGRAMMING)
10
Remedy