Honeywell HVAC232 Series, Руководство по применению

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Application manual HVAC232/402 | Document 27-652 | Issue ENG06 | 2019-08-07 37
Fault code Fault name Possible cause Correcting actions
25 Microcontroller watchdog
fault Faulty operation component failure Reset the fault and restart.
If the fault re-occur, contact the distributor near to
you.
27 Back EMF protection Drive has detected that the magnetized motor is
running in start situation.
• A rotating PM-motor Make sure that there is no rotating PM-motor when
the start command is given.
29 Thermistor fault The thermistor input of option board has detected
increase of the motor temperature. Check motor cooling and loading. Check thermistor
connection (If thermistor input of the option board is
not in use it has to be short circuited).
34 Internal bus
communication Ambient interference or defective hardware. If the fault re-occur, contact the distributor near to
you.
35 Application fault Application is not working properly. Contact the distributor near to you.
41 IGBT
Overtemperature Overtemperature alarm is issued when the IGBT
switch temperature exceeds 230 °F (110 °C) Check loading.
Check motor size.
Make identification run.
50 Analogue input select
20% - 100%
( selected signal range
4 to 20 mA or 2 to 10 V)
Current at the analogue input is < 4mA;
Voltage at the analogue input is < 2 V.
• Control cable is broken or loose.
• Signal source has failed. Check the current loop circuitry.
51 External fault Digital input fault. Digital input has been programmed
as external fault input and this input is active. Remove the external device fault.
52 Door Panel fault Control place is keypad, but door panel has been
disconnected. Check the connection between optional board and
API. If connection is correct, contact the nearest
Honeywell distributor.
53 Fieldbus fault The data connection between the fieldbus Master and
the fieldbus of the drive has broken. Check installation.
If installation is correct, contact the nearest
Honeywell distributor.
54 Slot fault The connection between optional board and API has
been broken. Check board and slot.
Contact the nearest Honeywell distributor.