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Honeywell B/Q682 User Manual

Page 18

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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.