Operation and Installation Manual PBTC-300
21-54C3-7D0002/-
01/2022-EHT-441169
Notice:
Technical data subject to change without notice.
No claims for damage arising from alternations, errors or misprints shall be allowed.
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5.3
LED-Status Indication
The operating status of the Thermostat Module is indicated by the LED-Status display. This is indicated by color and flashing codes.
Description of the color and blink codes:
Status
LED display
Continuous ON
1 flash impulse
2 flash impulse
3 flash impulse
4 flash impulse
OK
Green
Thermostat modul in oper-
ation,
Heating cable in operation
Thermostat mod-
ule is ready for
operation
-
-
-
Warnung
Yellow
Temperature-WARNING,
Temperature at the Re-
sistance Temperature De-
vice Pt100 outside the set
temperature
warning
thresholds
Device tempera-
ture of the ther-
mostat module
exceeds the de-
fined warning
limits
80% lifetime of
the thermostat
module reached,
plan and prepare
replacement of
the thermostat
module
Contact problem
at the Re-
sistance Tem-
perature Device
Pt100 or temper-
ature rise at the
Resistance Tem-
perature Device
Pt100 too high
-
Alarm
Red
-
Resistance Tem-
perature Device
Pt100 short-cir-
cuited or defect
Cable connec-
tion to Re-
sistance Tem-
perature Device
Pt100 too long,
cable cross sec-
tion too small
(connection re-
sistance too
high) or Re-
sistance Tem-
perature Device
Pt100 not con-
nected
100% lifetime of
the thermostat
module reached,
heating cable
switched off, re-
place thermostat
module
Temperature of
thermostat mod-
ule too high,
heating circuit is
switched off
Summary of Contents for PBTC-300
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