Table of Contents
Advertisement
92 | Troubleshooting
Display (
Item 1, 3 and 4 in fig. 29)
Text
Fault 51
Incorrect temperature sensor type
connected
Fault 52
Temperature sensors reversed
Fault 53
Temperature sensor installed in wrong
location
Fault 54
Temperature for thermal disinfection not
reached in solar tank
6 720 643 256 (2010/05)
Code Cause
122
Collector temperature sensor
type used as tank temperature
sensor (T
).
2
123
Tank temperature sensor type
used as collector temperature
sensor (T
).
1
127
Tank temperature sensor type
used as collector temperature
sensor (TA).
132
Temperature sensor type PTC
1000 used as tank temperature
sensor (T
).
2
133
Temperature sensor type PTC
1000 used as collector
temperature sensor (T
124
Temperature sensors (T
T
) reversed.
2
129
Temperature sensors (TA and
T
) reversed.
2
130
Temperature sensors (T
TA) reversed.
131
Temperature sensors (T
TB) reversed.
141
Temperature sensors (T
TC) reversed.
144
Temperature sensors (T
TD) reversed.
125
Collector temperature sensor
128
(T
or TA) installed on
1
collector field inlet.
145
Maximum temperature for
solar tank too low.
Delivery rate of disinfection
pump (PE) too low.
Thermal disinfection cancelled
manually before the required
temperature was reached in
the solar tank.
Remedy (by installer)
Use correct type of
temperature sensor.
Technical data in ISM
installation instructions.
).
1
and
Check the temperature
1
sensors and swap the
connections if necessary.
and
1
and
2
and
2
and
2
Mount collector temperature
sensor (T
or TA) close to
1
collector field outlet.
Set higher maximum
temperature for solar tank.
Set higher pump speed on
disinfection pump (PE) or, if
possible, open flow restrictor
more.
No fault. Message is shown
only for 5 minutes.
US/CA
Hide quick links:
Advertisement
Table of Contents
