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2017-11-03
Climatix HERU® 400-2400
Troubleshooting
16.
Troubleshooting
Type of problem, fault, error, etc.
Cause
Check/Rectify
Operation will not start in Auto mode
(schedule control)
The date or time may
have the wrong settings
See chap. 7
Operation will not start in
Auto mode
(schedule control)
Manual control may be in
mode: Off
See chap. 7
The value in the HMI cannot
be changed
To change the value, you
must be logged in
See chap. 5
No
“key/keys”
symbol in
the HMI display
Probably not logged in
with password. After a
period of time, you are
logged out from
password level
See chap. 7
Cannot acknowledge alarm You must be logged in to
reset an alarm
See chap. 7 / 7.1.1
The circulation pump
won’t
start,
even though operating
information says that the
pump is ON
There is probably no
voltage (230 V AC) out to
the
pump’s
supply. A
jumper cable connection
was missed when the
pump was connected
Make sure the cable is connected on the
terminal
Heating circulation pump CP1: between
terminals 1 & 2.
Cooling circulation pump CP2: between
terminals 5 & 6.
IMPORTANT!
Make sure there is no power to
HERU® CX before performing this action.
Switch off the external load switch and
make sure that there is no voltage in the
incoming power feed before performing
work.
Recovery alarm
Check for an alarm on
the speed control for
the rotary heat
exchanger, EMS (see
chap.13)
•
Check the belts on the rotor
•
Make sure the rotor motor is spinning
freely (mechanically)
•
Make sure that EMS indicates that the
rotation monitor signals when it passes
the magnet, see chap. 13.
Содержание HERU 400-2400 S
Страница 1: ...U S E R M A N U A L E N H E R U 4 0 0 2 4 0 0 T S HERU T HERU S...
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Страница 14: ...14 120 Climatix HERU 400 2400 2018 02 13 Scope of assembly installation instructions...
Страница 45: ...45 120 2018 02 13 Climatix HERU 400 2400 External components basic unit...
Страница 65: ...65 120 2018 02 13 Climatix HERU 400 2400 External components basic unit 994020653 CLIMATIX HMI DM Display IP31...
Страница 95: ...95 120 2018 02 13 Climatix HERU 400 2400 Miscellaneous Alarm button function Procedure for non saving alarms...
Страница 97: ...97 120 2018 02 13 Climatix HERU 400 2400 Miscellaneous Menu structure Menu overview...
Страница 98: ...98 120 Climatix HERU 400 2400 2018 02 13 Miscellaneous Start page Main index Unit...
Страница 104: ...104 120 Climatix HERU 400 2400 2018 02 13 SERVICE HERU...
Страница 111: ...111 120 2018 02 13 Climatix HERU 400 2400 SERVICE HERU...
Страница 118: ...118 120 2017 11 03 Climatix HERU 400 2400 Troubleshooting...
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