Honeywell 191108AJ Manuel d'utilisateur télécharger pdf (Page 21)

21 69-0643—1

Voltage At Timer Terminals

AC Voltages at

C-C Terminals Check Action

0 Vac. — System power off. — Restore power.

— Short in timer power supply wiring. — Replace wiring.

— Limit switch contacts stuck open. — Free or replace limit switch.

— Transformer supplying power is — Replace transformer.

burned out.

Up to 15 Vac. — System transformer used to power — Use additional (separate)

the timer is inadequate. transformer.

— Additional (separate) transformer — Install transformer with proper

used to power the timer has secondary voltage.

inadequate voltage.

15 to 30 Vac. — Spring fingers on thermostat not — Rebend spring fingers to a 45

making proper contact with subbase degree angle to assure proper

terminals. contact.

— Timer has failed. — Replace thermostat.

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Honeywell 191108AJ Manuel d'utilisateur Page 21