21 of 24
© 2010
D 540 - 08/10
Error M
e
s
s
ag
e
s
(
2
of 2
)
Error Messag
e
Description
ADDRESS ERR
OR
This t
hermostat and ano
ther de
vice ha
ve
been manually giv
en t
he same t
ekmarNe
t
®
addr
ess.
Err
or clears aut
omaticall
y once t
his t
hermostat is giv
en a ne
w manuall
y se
t addr
ess or if t
h
e
thermostat is se
t t
o
aut
omatic addr
essing.
R
OOM SENSOR SHORT CIR
CUIT
The built-in air t
e
mperatur
e sensor has a shor
t cir
cuit f
ault.
This err
or canno
t be field r
epair
ed.
Contact y
our wholesaler or t
ekmar sales r
epr
esentativ
e f
or de
tails on r
epair pr
ocedur
es.
R
OOM SENSOR OPEN CIR
CUIT
The built-in air t
e
mperatur
e sensor has an open cir
cuit f
ault.
This err
or canno
t be field r
epair
ed.
Contact y
our wholesaler or t
ekmar sales r
epr
esentativ
e f
or de
tails on r
epair pr
ocedur
es.
C
OOL MAS
TER ERR
OR
Swit
ch #3 has been select
ed t
o
become a cool gr
oup mast
er of gr
oup number 1
, and ano
ther cool
gr
oup mast
er has been de
tect
ed wit
h t
he same gr
oup number
.
The cooling sy
st
em will no
t operat
e while t
his err
or message is pr
esent.
Err
or clears once eit
her t
he o
ther cool gr
oup mast
er changes its gr
oup number or swit
ch se
tting
#3 is se
t t
o
none (On position).
