Watson-Marlow 630 UN - User Manual

Questions and Answers

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Tracy HillAug 17, 2025
What to do if my Watson-Marlow 630 UN Water Pump runs but has little or no flow?
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  Rebecca MortonAug 17, 2025
  If your Watson-Marlow Water Pump is running but you're not getting the expected flow, here are a few things to check: * Make sure fluid is being supplied to the pump. * Inspect the lines for any kinks or blockages. * Ensure any valves in the line are open. * Verify the tube and rotor are correctly installed in the pumphead. * Check the tube for splits or bursts. * Confirm the correct wall-thickness tube is being used. * Check the direction of rotation. * Ensure the rotor isn't slipping on the drive shaft.
R
Robert TravisAug 20, 2025
What should I do if my Watson-Marlow Water Pump display remains blank when switched on?
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  ejacobsAug 20, 2025
  If the display on your Watson-Marlow Water Pump remains blank when you switch it on, try the following: * Ensure the pump is receiving mains power. * Check the fuse in the wall plug, if there is one. * Verify the position of the voltage selector switch. * Check the mains power switch located at the rear of the pump. * Inspect the fuse in the fuse holder in the center of the switch plate at the rear of the pump.
B
Brenda MaysAug 22, 2025
What to do if Watson-Marlow 630 UN Water Pump turns on, but will not run?
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  Spencer SmithAug 22, 2025
  If your Watson-Marlow Water Pump turns on but doesn't run, you can check the remote stop function and its configuration. Also, check the mode you are in and whether you are in analog mode. You can also try operating the pump in manual mode.
B
Benjamin MoralesAug 26, 2025
What does error code Er 16 mean on my Watson-Marlow 630 UN Water Pump and how to fix it?
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  Sheryl FlynnAug 26, 2025
  Error code Er 16 on your Watson-Marlow Water Pump indicates an over voltage condition. You should immediately stop the pump, check the power supply, and attempt a reset by switching the power off and on.
R
Rebecca LangAug 28, 2025
What does error code Er 17 mean on my Watson-Marlow 630 UN and how do I fix it?
- L
  Laura StephensonAug 28, 2025
  Error code Er 17 on your Watson-Marlow Water Pump indicates an under voltage condition. Immediately stop the pump, check the power supply, and try resetting it by turning the power off and on.
S
Shannon GutierrezAug 31, 2025
What does error code Er 9 mean on my Watson-Marlow 630 UN and how can I resolve it?
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  thomas94Aug 31, 2025
  Error code Er 9 on your Watson-Marlow Water Pump means the motor is stalled. You should stop the pump immediately and check the pumphead and tube. Powering the pump off and on again may reset it.
D
Dana BeckerSep 2, 2025
What does error code Er 15 mean on my Watson-Marlow 630 UN and how to fix it?
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  Victoria BrownSep 2, 2025
  Error code Er 15 on your Watson-Marlow Water Pump indicates an over current situation. You should immediately stop the pump and try resetting it by switching the power off, then on again.
J
jacobparrishSep 5, 2025
What does error code Er 14 mean on my Watson-Marlow 630 UN Water Pump and how do I troubleshoot it?
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  timothystevensSep 5, 2025
  Error code Er 14 on your Watson-Marlow Water Pump indicates a speed error. You should immediately stop the pump and try resetting it by turning the power off and on.
T
tricia34Sep 8, 2025
What does error code Er 10 mean on my Watson-Marlow 630 UN and how do I fix it?
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  nicholaspittmanSep 8, 2025
  Error code Er 10 on your Watson-Marlow Water Pump indicates a tacho fault. You should immediately stop the pump and try to reset it by cycling the power off and on.
K
Krystal MatthewsSep 12, 2025
What does error code Er 21 mean on my Watson-Marlow 630 UN Water Pump?
- A
  alyssacoleSep 12, 2025
  Error code Er 21 on your Watson-Marlow Water Pump indicates an over signal condition. To resolve this, reduce the analog control signal.

Summary

Safety notes

Pump specifications

Good pump installation practice

General recommendations

Dos and donts

Pump operation

Keypad Layout and Key IDs

Explanation of the pump's keypad layout and the function of each key.

Starting and stopping

Visual guide and instructions for starting and stopping the pump operation.

Connecting to a power supply

Control wiring

Upper D-connector

Pinout and wiring details for the upper D-connector used for control signals.

Pump external interface parameters

Switching the pump on for the first time

Manual

START

Procedure for starting the pump in manual mode, including display feedback.

STOP

Procedure for stopping the pump in manual mode, including display feedback.

INCREASING AND DECREASING FLOW RATE

Instructions on adjusting the pump's flow rate using the keypad.

Flow calibration

Setting the flow calibration

Steps to set up and perform flow calibration for accurate dispensing.

Analog mode

Analog calibration

Process for calibrating analog input signals for remote flow rate control.

Setting a high signal

Setting a low signal

MemoDose mode

To configure MemoDose

Steps to access and configure the MemoDose settings menu.

Master dose

EtherNet;IP mode

Configure EtherNet;IP Settings

Configuration of network settings like IP address, subnet mask, and gateway.

Connecting the PC to the pump

Setting up the PC

Pump parameters

Sensors

Sensor wiring

Setting up the sensors

Guide to configuring sensor type, input assignment, and output units.

Generic Sensors

Main menu

Security settings

Configuration options for keypad lock, PIN protection, and user access levels.

General settings

Control settings

Configure outputs

Configure inputs

Troubleshooting

Leak detection

Error codes

List of error codes, their conditions, and suggested actions for resolution.

Pumphead replacement

Tube replacement

Continuous tubing

Tube elements

Watson-Marlow 630 UN Specifications

General

Pump Type	Peristaltic
Pressure	up to 2 bar
Number of Channels	1
Operating Temperature	5 to 40°C
IP Rating	IP31
Control Options	Manual, Remote, and Analog
Speed Range	0.1 to 300 rpm
Pumphead	630 series
Motor Type	Brushless DC motor