Honeywell T8611G User Manual download pdf (Page 11)

T8611G CHRONOTHERM

IV DELUXE PROGRAMMABLE HEAT PUMP THERMOSTATS

11 69-1406—1

System on indicator

(flame=heat,

snowflake=cool) is

displayed, but no

warm or cool air is

coming from the

registers.

Heating or cooling equipment is

not operating.

Verify operation of heating or cooling equipment in self-test.

Outdoor tempera-

ture not displayed

Option not activated. Enter Installer Setup number 24 and set to 1. Thermostat must

have OT terminals and a C7089B1000 installed.

Outdoor

temperature

display is incorrect

Outdoor sensor is connected

incorrectly.

Refer to C7089B1000 Installation Instructions and check wiring

between the thermostat and sensor.

Wrong sensor. Replace sensor with C7089B1000 Sensor.

Select models.

Table 6. Troubleshooting Guide. (Continued)

Symptom Possible Cause Action

1 2 ... 6 7 8 9 10 11 12

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Honeywell T8611G User Manual Page 11