Val Controls IHP24-B - Pump Unit Errors

DHP-UM-020
Val Controls A/S • Limfjordsvej 3 • DK-6715 Esbjerg N • Tel. +45 7547 0600 • Fax +45 7547 0611
vc@valcontrols.com • www.valcontrols.com
Revision: 12
34/38
7.4 Pump unit
No. 601
Pump control. Low level
Description
The measured level is below the specified value.
Trouble shooting
Check the oil level in the tank. If oil level is okay, then check the following
items in the menu.
• Adjust pump stop level (3.3.2.1)
• Adjust loop configuration (3.3.2.2)
• Calibrate analogue input (2.2.3-6)
No. 602
Pump control. High temperature
Description
The measured temperature is above the specified values.
Trouble shooting
• Check the temperature of the oil
• Increase high temperature limit
No. 603
Pump control. Low pressure
Description
The pressure error input has been disconnected
Trouble shooting
A pressure error has been signalled to the positioner.
• Activate the override function (Digital input) to force the pump to run
No. 604
Pump control. Low Low pressure
Description
Low Low pressure has been detected
Trouble shooting
A pressure error has been signalled to the positioner.
• Increase the pressure
• Decrease the Low Low pressure limit