Danfoss VLT MCD 600 Installation Guide

7.7 Low Pressure
Cause
The pressure sensor connected to the smart card has activated low-pressure protection.
Troubleshooting
• Check the following parameters:
- Parameter 30-1 Pressure Sensor Type.
- Parameter 30-3 Pressure at 4 mA.
- Parameter 30-4 Pressure at 20 mA.
- Parameter 32-4 Low Pressure Trip Level.
- Parameter 32-5 Low Pressure Start Delay.
- Parameter 32-6 Low Pressure Response Delay.
- Parameter 36-5 Low Pressure.
7.8 Low Water
Cause
The depth sensor connected to the smart card has activated depth protection.
Troubleshooting
• Check the following parameters:
- Parameter 30-12 Depth Sensor Type.
- Parameter 30-14 Depth at 4 mA.
- Parameter 30-15 Depth at 20 mA.
- Parameter 34-1 Depth Trip Level.
- Parameter 34-2 Depth Reset Level.
- Parameter 34-3 Depth Start Relay.
- Parameter 36-9 Well Depth.
7.9 Pressure Sensor
Cause
The smart card has detected a fault with the pressure sensor.
Troubleshooting
• Check the following parameters:
- Parameter 30-1 Pressure Sensor Type.
- Parameter 36-1 Pressure Sensor.
Trip Messages
Installation Guide | Pumping Smart Card
AN279052730268en-000102 / 175R1183 | 31
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Danfoss VLT MCD 600 Specifications

General

Brand	Danfoss
Model	VLT MCD 600
Category	Controller
Language	English