13
4.
err
or
s
RA
YST
AT-ECO-10 c
an diff
er
entiat
e betw
een 5 err
or
s. The err
or is display
ed as soon as the err
or c
ondition is det
ect
ed. The alarm r
elay
swit
ches at the same moment. The v
alue display indic
at
es “ ” (flashing) and the s
tatus display indic
at
es the err
or number
.
err
or
code
Description
r
emedy
Short Cir
cuit Sensor
(or v
ery l
ow r
esis
tanc
e)
1.
De-ener
gize/isolat
e unit fr
om po
w
er suppl
y
2.
Disc
onnect sensor and v
erify sensor r
esis
tanc
e Rs betw
een whit
e wir
e and each of
the r
ed wir
es > 80 Ohm
3.
If Rs < 80 Ohm, r
eplac
e sensor (HARD-78)
4.
Otherwise v
erify sensor wiring and/or sensor e
xt
ension l
ead and r
ec
onnect
Open Cir
cuit Sensor
1.
De-ener
gize/isolat
e unit fr
om po
w
er suppl
y
2.
Disc
onnect sensor and v
erify sensor r
esis
tanc
e Rs betw
een whit
e wir
e and each of
the r
ed wir
es < 166 Ohm
3.
If Rs > 166 Ohm, r
eplac
e sensor (HARD-78)
4.
Otherwise v
erify sensor wiring and/or sensor e
xt
ension l
ead and r
ec
onnect
Temper
atur
e bel
ow Min.
Expect
ed Ambient
Verify appr
opriat
enes
s of Minimum Expect
ed Ambient T
emper
atur
e setting in Menu
Output V
olt
age Err
or
1
1.
De-ener
gize/isolat
e unit fr
om po
w
er suppl
y
2.
If no c
ont
act
or:
a.
V
erify that Wir
e bridge W1 int
er
connects T
erminal 3 and 6 (L)
b.
V
erify that Wir
e bridge W2 int
er
connects T
erminal 5 and 8
3.
In c
ase a c
ont
act
or is c
onnect
ed, set par
amet
er U t
o 1 (V
olt
age F
ree) in Menu
4.
V
erify that the sensor e
xt
ension is shielded and gr
ounded
5.
If Err 5 r
e-oc
cur
s and r
emains, the output r
elay or triac is def
ect: r
eplac
e unit
Suppl
y bel
ow 207 V
ac.
2
Verify suppl
y v
olt
age betw
een t
erminals 7 (L) and 10 (N) when Err
or 6 is display
ed
1
Det
ection of this err
or is disabl
ed in V
olt
age
Fr
ee Mode.
2
Unit is not activ
e when suppl
y v
olt
age is
bel
ow appr
ox. 190 V
ac.
All alarms ar
e on the same alarm r
elay
.
An alarm will cl
ear aut
omatic
all
y as soon as the err
or c
ondition is gone. Ther
e is no
need t
o r
eset; all settings ar
e maint
ained.
If multipl
e alarms ar
e activ
e, the alarms ar
e sho
wn with the f
oll
owing priority:
(Highes
t),
,
,
,
(Lo
w
es
t)
Not
e:
is not applic
abl
e t
o RA
YST
AT-ECO-10.
