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English (GB)
14
6. Fault finding the product
DANGER
Electric shock
Death or serious personal injury
- Before starting any work on the product, make sure that the
power supply has been switched off and that it cannot be
accidentally switched on.
Fault
Cause
Remedy
The product is
not running.
The overload
relay has
tripped.
Follow steps 1 to 5 below and restart the
pump. Contact Grundfos service if the
problem persists.
1. Overload relay, if equipped, 1.5 kW
and up:
Push the reset button to make sure
the contacts are closed.
– Ohmmeter setting: (Rx1).
– Terminal connections: ohmmeter
leads to overloaded terminals.
– Ohmmeter reading: must not be
over 0.5 ohms.
2. Capacitor:
Disconnect one lead from each
capacitor prior to checking.
– Ohmmeter setting: (Rx1000).
– Terminal connections: individual
capacitor terminals.
– Ohmmeter reading: pointer must
swing toward zero then drift back
toward infinity.
Содержание SA-CSCR
Страница 1: ...GRUNDFOS INSTRUCTIONS SA CSIR SA CSCR Control box Installation and operating instructions ...
Страница 2: ...2 ...
Страница 311: ...中文 CN 311 图 3 1 1 kW SA CSCR型号的连接 TM06 5332 4615 L BLK BRW GRY N 启动电容器 运行电容器 继电器 棕色 灰色 电源接地线 电机接地线 黑色 黑色 棕色 灰色 棕色 黑色 ...
Страница 316: ...中文 CN 316 5 仅电磁接触器 如果配备 和DLX 盒 断开1线圈导线 欧姆表设置 Rx1000 检查线圈电阻 1000 1400欧姆 拆下触点盖并检查触点 故障 原因 修复 ...