Problem cause solution, Temperature monitoring – Sensaphone 800 User Manual

Page 122

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Sensaphone

®

Model 800 User’s Manual

120

Problem

Cause

Solution

1.

Can’t program temperature limits; or the

unit won’t read the temperature sensor.

2.

The

temperature

reading

is

-20°

F

or

-30°

C.

3.

Temperature

reads

150°

F

or

65°

C.

4.

Temperature

reading

is

inaccurate.

The

zone

isn’t

configured

to

read

a

tempera

-

ture sensor.

The

temperature

sensor

has

been

disconnected or has broken wires.

Temperature

sensor

wires

are

touching

or

have shorted.

a)

Temperature

sensing

may

be

affected

by

a

source

of

ambient

heat

(ie.,

direct

sunlight,

or

heat

duct

proximity).

b)

Temperature

may

require

calibration.

c)

The

unit

is

using

the

wrong

temperature

scale

(Fahrenheit

vs.

Celsius).

Press

SET

and

CONFIGURE

to

program

the

zone.

(See

Section

5.1.1

for

more

information

on

configuring

zones.)

Examine

the

wires

to

temperature

sensor

and

connect or replace wiring.

Verify and correct wiring.

Try

moving

the

unit

to

a

different

location.

After moving or placing the unit away from

ambient heat sources, the temperature may be

calibrated to offset inaccurate normal reading

by several degrees.

Refer

to

Chapter

5,

Section

5.6.

Verify temperature scale.

Refer

to

Chapter

5,

Section

5.5.

Temperature Monitoring:

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