66(96)
Control Keypad
Honeywell
Honeywell
Honeywell
Honeywell
7
17
Motor
underload/
Pump Dry
detection/
Broken belt
Detection
Motor underload protection has tripped.
FAN: check that Belt is not broken
PUMP: check that Pump is not dry
22
EEPROM
checksum fault
Parameter save fault
−
faulty operation
−
component failure
Contact the distributor near to you
24
Counter fault
Values displayed on counters are incorrect
25
Microprocessor
watchdog fault
−
faulty operation
−
component failure
Reset the fault and restart.
Should the fault re-occur, contact
the distributor near to you.
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
Reset the fault and restart
Should the fault re-occur, contact
the distributor near to you.
35
Application fault
Selected application does not function.
Contact the distributor near to you.
39
Device removed
Option board removed.
Drive removed.
Reset
40
Device unknown Unknown option board or drive.
Contact the distributor near to you.
41
IGBT temperature
IGBT Inverter Bridge overtemperature
protection has detected too high a motor
current.
Check loading.
Check motor size.
44
Device change
Option board changed.
Option board has default settings.
Reset
45
Device added
Option board added.
Reset
50
Analogue input
I
in
<4mA
(selected signal
range 4 to 20
mA)
Current at the analogue input is < 4mA.
−
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.
Check the programming and the
device indicated by the external
fault information. Check also the
cabling of this device.
52
Keypad
communication
fault
The connection between the control keypad
and the frequency converter is broken.
Check keypad connection and
possible keypad cable.