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Sensaphone 1800 User Manual

Page 116

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Sensaphone

1800 Manual

114

Cause

The zone isn’t configured to read a
temperature sensor.

Solution

Press SET and CONFIGURE to
program the zone. For 10K thermistor,
you must manually configure. See
Chapter 4.

TEMPERATURE MONITORING:

Problem 1

Can’t program temperature limits; or the unit won’t read the
temperature sensor.

Cause

The temperature sensor has been
disconnected or has broken wires.

Solution

Examine the wires to temperature
sensor and connect or replace wiring.

Problem 2

The temperature reading is -109° F or -87° F or -85°C or -66° C.

Cause

Temperature sensor wires are
touching or have shorted.

Solution

Verify and correct wiring.

Problem 3

Temperature reads 115° F or 168° F or 57° C or 76° C.

Cause

a) The zone is configured for the

wrong type of thermistor (i.e., 2.8k
vs. 10k)

b) Temperature sensing may be

affected by a source of ambient
heat (ie., direct sunlight, or heat
duct proximity).

Solution

Manually configure the zone as
described in Chapter 4.

Try moving the sensor to a different
location.

Problem 4

Temperature reading is inaccurate.