
ENGLISH
18. SOLVING THE MOST FREQUENT PROBLEMS:
Problem
Motor does not
runs
Motor speed
oscillates
Motor speed
too high or too low
Shocks during pump
deceleration
Shocks during pump
acceleration
Points to be checked
Wrong wiring
Power Supply Loss
Setting
Fault
Loose connections
Motor Nameplate Data
Soft-Starter Setting
Soft-Starter Setting
Corrective Actions
1. Check all power and control connections
1. Check the power supply (R, S, T)
2. Check the power control supply (A1, A2)
1. Check if the settings are correct for the application.
1. Check if the SSW-05 Plus is not in locking condition
(refer to item 14 – Protections and Display).
1. Switch Off the SSW-05 Plus, switch off the power supply and
tighten all connections.
2. Check all internal SSW-05 Plus connections.
1. Check if the motor has been selected according to the application.
1. Reduce the time of the deceleration ramp time.
1. Reduce the time of the acceleration ramp time.
2. Reduce the setting of the pedestal voltage.
19. SSW-05 OPTIONS AND ACCESSORIES:
This chapter describes the optional devices that can be used with the SSW-05. The table below shows a list of
existing optional devices.
Name
CAB-RS-1
CAB-RS-2
CAB-RS-3
MIW-02
HMI-SSW05-RS
Function
Cable for the remote serial keypad - cable: 1m (3.28ft)
Cable for the remote serial keypad - cable: 2m (6.56ft)
Cable for the remote serial keypad - cable: 3m (9.84ft)
RS-232 to RS-485 conversion module
External serial Keypad HMI. For remote use with the
CAB-RS cable (up to 3m (9.84ft)). Keypad Copy Function.
WEG Item
Number
0307.7827
0307.7828
0307.7829
417100543
417100996
19.1. CAB-RS-1, CAB-RS-2, CAB-RS-3:
Cables used to connect the Soft-Starter to the external serial interface keypad (HMI-SSW05-RS).
There are 3 cables options ranging in lenghts from 1m (3.28ft) to 3m (9.84ft). The user must select among these
lengths according to his requirement.
You must plan carefully the wiring location by separating it at least 10cm (3.9in) from the power wiring.
Table 19.1 - Available optional devices for the SSW-05.
Soft-Starter
RJ Connector
HMI
DB9 Connector
DB9 PINS
1
Vcc
2
RX
3
TX
5
GND
CABLE CONECTIONS
RJ PINS
1
Vcc
6
TX
4
RX
5
GND
Figure 19.1 - Cable CAB-RS for HMI-SSW05-RS.
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