Fault tracing 315
2021 START ENABLE 1
MISSING
0309 bit 4
No Start enable 1
signal received
Check parameter 1608 START
ENABLE 1 settings.
Check digital input connections.
Check fieldbus communication
settings.
2022 START ENABLE 2
MISSING
0309 bit 5
No Start enable 2
signal received
Check parameter 1609 START
ENABLE 2 settings.
Check digital input connections.
Check fieldbus communication
settings.
2023 EMERGENCY
STOP
0309 bit 6
Drive has received
emergency stop
command and ramps
to stop according to
ramp time defined by
parameter 2208
EMERG DEC TIME.
Check that it is safe to continue
operation.
Return emergency stop push button
to normal position.
2025 FIRST START
0309 bit 8
Motor identification
magnetization is on.
This alarm belongs to
normal start-up
procedure.
Wait until drive indicates that motor
identification is completed.
2026 INPUT PHASE
LOSS
0309 bit 9
(programmable fault
function 3016)
Intermediate circuit DC
voltage is oscillating
due to missing input
power line phase or
blown fuse.
Alarm is generated
when DC voltage
ripple exceeds 14% of
nominal DC voltage.
Check input power line fuses.
Check for input power supply
imbalance.
Check fault function parameters.
2027 USER LOAD
CURVE
0309 bit 10
Condition defined by
3701 USER LOAD C
MODE has been valid
longer than half of the
time set by 3703
USER LOAD C TIME.
See parameter group 37 USER
LOAD CURVE.
2028 START DELAY
0309 bit 11
Start delay in progress See parameter 2113 START DELAY.
2030 INLET LOW
0309 bit 13
Pressure at pump/fan
inlet too low
Check for a closed valve on the inlet
side of the pump/fan.
Check piping for leaks.
See parameter group 44 PUMP
PROTECTION.
2031 OUTLET HIGH
03
09 bit 14
Pressure at pump/fan
outlet too high
Check piping for blocks.
See parameter group 44 PUMP
PROTECTION.
2032 PIPE FILL
0309 bit 15
Pipe fill in progress See parameters 4421…4426.
CODE ALARM CAUSE WHAT TO DO
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