aerauliqa AD1400A, Manual

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11.3 Alarm codes/LED status/Troubleshooting
ALARM 1
VALUE
ALARM 2
VALUE
LED BLINKS
(single blink
approx. duration)
ALARM DESCRIPTION
POSSIBLE CAUSE
TROUBLESHOOTING
0 0
1 Blink/2s
(1s)
No error -
1 0
1 Blink/s
(0.5s)
Memory error – motor parameters lost Contact manufacturer/technical support
2 0
2 Blink/s
(0.25s)
Short circuit – electronics power
module damaged
Board damaged – Contact manufacturer/technical
support
3 0
3 Blink/s
(0.17s)
Motor synchronization lost – wrong motor
parameters or electronics damaged
Check motor windings.
If motor windings OK (all 3 windings have same
resistance), contact manufacturer/technical
support.
If motor windings damaged (open/short circuit),
replace motor
4 1
5 Blink/s
(0.1s)
Supply voltage out of range 135Vac÷550Vac (DC
bus voltage 190÷780V) only with motor still - not
running
Check power supply voltage /
check power supply wiring
4 32 5 Blink/s
Supply voltage above 565Vac (DC bus voltage
over 800V) during motor running (instantaneous
value)
Check power supply voltage /
check power supply wiring
4 33 5 Blink/s
Supply voltage below 107Vac (DC bus
voltage below 150V) during motor running
(instantaneous value)
Check power supply voltage /
check power supply wiring
4 34 5 Blink/s “Restart on the fly” failed
The drive couldn’t catch the impeller – power
cycle/retry
4 49
4 Blink/s
(0.13s)
U phase voltage missing/disconnected
(or wrong motor parameters)
Check power supply/wiring. If wiring OK, contact
manufacturer/technical support
4 50 4 Blink/s
V phase voltage missing/disconnected
(or wrong motor parameters)
Check power supply/wiring. If wiring OK, contact
manufacturer/technical support
4 51 4 Blink/s
W phase voltage missing/disconnected
(or wrong motor parameters)
Check power supply/wiring. If wiring OK, contact
manufacturer/technical support
4 113
6 Blink/s
(0.08s)
Electronics temperature over 85°C
Check if operating temperature is above rated
maximum operating temperature.
Check mechanical load for anomalies (e.g. difficult
turning)
4 114
7 Blink/s
(0.07s)
Motor windings temperature over 125°C
Check if operating temperature is above rated
maximum operating temperature.
Check mechanical load for anomalies (e.g. difficult
turning)
4 115 no Blink Short circuit on Pt100 motor temperature probe
Check temperature probe wiring – detects
temperature probe manumission
11.2 Modbus Registers - Input Register
These registers are READ-ONLY, and can be read using the function 04 READ INPUT REGISTERS.
Register
Address
Description
Dimension
(Word)
Data
Type U.M. (data on
the register)
Example
Register value
→
Real value
3 Measured speed 1 ushort 0.1rpm
490
→
49rpm
10 Alarm 1 1 ushort - See table (§ 11.3)
17 Alarm 2 1 ushort - See table (§ 11.3)
For additional information on Modbus control, contact the manufacturer/technical support.
11. TROUBLESHOOTING (Modbus)
11.1 Connection parameters
Protocol MODBUS/RTU over RS485
Baud Rate (bps)
9600
Data bits 8
Parity bits none
Stop bits
2
HVLS Slave Address
1