Honeywell T8095A/191108AJ Owner's Manual page 22

Voltage at Clock Terminals
AC Voltage at
C-C Terminals
0 Vac.
Up to 15 Vac.
15 to 30 Vac.
Check
— System power off.
— Short in clock power supply wiring.
— Limit switch contacts stuck open.
— Transformer supplying power is
burned out.
— System transformer used to power
the clock is inadequate.
— Additional (separate) transformer
used to power the clock has
inadequate voltage.
— Spring fingers on thermostat not
making proper contact with subbase
terminals.
— Clock has failed.
Action
— Restore power.
— Replace wiring.
— Free or replace limit switch.
— Replace transformer.
— Use additional (separate)
— Install transformer with proper
— Rebend spring fingers to a
— Replace thermostat.
22
transformer.
secondary voltage.
45 degree angle to assure
proper contact.