Calpeda I-MAT User Manual

GB
I-MAT_Ed2 - Operating Instructions Page 43 / 136
18. Troubleshooting chart
Fault Probable cause Possible solution
Short-circuit - Motor or cable short-circuit
- Wrong power supply connection
- Wrong connection of the cable shield
- Check motor connections
- Check power supply voltage
Frequency
converter
overheating
- Ambient temperature too high
- One or more frequency converter fans
faulty
- Check the condition of installation (see section 3.1)
- Change the defective fans
Low supply voltage - Supply voltage lower than 330V - Check the supply line
High supply voltage - Supply voltage higher than 520V - Check the supply line
Overcurrent - Step up/down ramp too high
- Improper connection of the motor
- Wrong motor settings
- Increase the time of the ramps (see section 16.2)
- Check the parameters of the motor (see section 16.1)
- Check the frequency converter settings and motor data (see
section 16.1)
Electronic card
overheating
Electronic card overheating - Check the condition of installation (see section 3.1)
- Reduce the carrier frequency
Dry-run The pump is running with no water - Check the suction and delivery manifold and the priming
conditions
- Check the performances curves of the pump
1) For electrical reparation, disconnect the supply voltage from the frequency converter. Refer to the safety
regulation described in section 4.
19. Filters for the reduction of irradiated noise and electromagnetic noise emissions
I-MAT Inom (A) Filter Sinusoidal lter Maximum length
I-MAT 5.2TT-A
0.1 - 2
CNW 854/8
CNW 933/6
No length limit
2 - 4
4 – 5.2
I-MAT 11.2TT-B
5.3 - 6
6 - 8
CNW 933/8
8 - 10 CNW 854/10 CNW 933/10
10 – 11.2
CNW 854/12 CNW 933/12
I-MAT 25.8TT-C
11.3 - 12
12 - 16 CNW 854/16 CNW 933/16
16 - 20
CNW 854/24
CNW 933/20
20 - 24 CNW 933/24
24 - 30 CNW 854/30 CNW 933/30

Calpeda I-MAT Specifications

General

Brand	Calpeda
Model	I-MAT
Category	Media Converter
Language	English