Honeywell 191108AJ Series Heating or Cooling Thermostat User Guide
Troubleshooting (Continued)
Problem
Check
Action
Timer does not
run (continued).
—Voltage across the two C
terminals.
Remove thermostat from the wallplate
or subbase and measure the voltage.
Refer to Voltage at Timer Terminals
table for cause and reaction.
—Pins in program dial. If pins are
not completely seated in
Push down on pins to make sure they
are completely seated in program dial.
program dial, jamming with
index wheel can occur.
Timer loses time.
—Power may be interrupted.
Make sure power is on. Reset timer.
—High limit control. If timer
powered through system
transformer, power to timer
and equipment may be off
on safety.
Wire separate transformer to power
timer, or install backup batteries as
shown in Fig. 2.
—Filter may be clogged. Safety
limit on equipment can cut off
power to system.
Replace filter and reset timer.
(continued)
69-0643—1
19
firealarmresources.com
| General | Details |
|---|---|
| Name | Honeywell 191108AJ Series Heating or Cooling Thermostat User Guide |
| Make | Honeywell |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.17 MB |
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