Honeywell T8195B Owner's Manual - Page 18
Timer does not run. - replacement
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Troubleshooting (continued) Problem Timer is losing time (continued). Check Action - high limit control. If clock powered through system transformer, power to clock and equipment may be Off on safety. Wire separate transformer to power clock. Timer does not run. - filter. May be clogged. Safety limit on equipment may cut off power to system. - voltage across the C and R terminals. Replace filter and reset clock. Remove the thermostat from the wallplate or subbase, and measure the voltage. Refer to page 19 for cause and action. (continued) 18 69-0563-2
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18
69-0563—2
Troubleshooting (continued)
(continued)
Problem
Check
Action
Timer is losing time
(continued).
—
high limit control. If clock
powered through system trans-
former, power to clock and
equipment may be Off on
safety.
Wire separate transformer to power clock.
—
filter. May be clogged. Safety
limit on equipment may cut off
power to system.
Replace filter and reset clock.
Timer does not run.
—
voltage across the C and R
terminals.
Remove the thermostat from the wallplate or
subbase, and measure the voltage. Refer to
page 19 for cause and action.