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Sandra SmithAug 15, 2025
What to do if Weishaupt Control Systems PWM pump is defective?
- JJerry CruzAug 16, 2025
If the PWM pump is defective, check the pump and replace it if necessary.
What to do if Weishaupt Control Systems PWM pump is defective?
If the PWM pump is defective, check the pump and replace it if necessary.
What to do if Weishaupt Control Systems shows communication error to WCM-CPU?
If there's a communication error to WCM-CPU, check the eBUS lines, Bus level and protocol; if necessary, fit screen cables.
What to do if Weishaupt Control Systems shows communication error to WCM-EM?
If there's a communication error to WCM-EM, check the eBUS lines, Bus level and protocol; if necessary, fit screen cables.
How to fix Weishaupt Control Systems when external sensor B1 is defective?
If the external sensor is defective, replace it.
How to fix Weishaupt Control Systems when DHW sensor B3 is defective?
If the DHW sensor is defective, replace it.
How to fix Weishaupt Control Systems when supply sensor B6 is defective?
If the supply sensor is defective, replace the supply sensor.
How to fix Weishaupt Control Systems when de-couple sensor is defective?
If the de-couple sensor is defective, replace the de-couple sensor.
What to do if Weishaupt Control Systems circulation sensor B1 is defective?
If the circulation sensor is defective, replace it.
What to do if Weishaupt Control Systems external room sensor is defective?
If the external room sensor is defective, replace the room sensor on the WCM-FS.
What to do if Weishaupt Control Systems internal room sensor is defective?
If the internal room sensor is defective, replace the WCM-FS.
Installation and operating instructions must be kept on site and form part of the heating system.
Specifies suitable applications for WCM-FS and WCM-EM with boiler types and solar controllers.
Emphasizes the immediate elimination of safety-relevant fault conditions for system integrity.
Details safety requirements for electrical work, including accident prevention and tool usage.
Provides guidance on the correct disposal of devices according to environmental and WEEE regulations.
Instructions for installing the WCM-FS remote control station, including placement and wall bracket fitting.
Details mounting the WCM-FS to WTC-GW/OW using an accessory set.
Explains fitting the WCM-FS to the WTC-GB/OB mounting slot on the boiler control panel.
Instructions for installing the WCM-EM extension module, including fitting to a cap type rail.
Details connecting the WCM-FS to eBUS terminals and optional external room sensors.
Step-by-step guide for connecting the WCM-EM module, showing wiring terminal connections.
Details connecting WCM-EM to a condensing boiler, including limits for multiple extension modules.
Identifies and describes the functions of the controls on the WCM-FS 2.0 operating panel.
Explains the standard display layout and symbols used on the WCM-FS for monitoring system status.
Details the meaning of LED indicators and display statuses for the WCM-EM for operational feedback.
Introduces the heating engineer level for advanced system configuration and parameter adjustment.
Explains how to select and set parameters within the heating engineer level for comprehensive control.
Outlines the menu structure for parameters accessible in the heating engineer level, covering commissioning and system info.
Explains how to transfer configuration information from the WTC heat exchanger to the WCM-FS.
Details transferring configuration information from the WCM-EM to the WCM-FS for system setup.
Explains setting the type for each heating circuit, defining value ranges and factory presets.
Guides on setting control variables for heating circuits based on temperature dependence and sensor inputs.
Configures frost protection settings based on external temperature to prevent pipe freezing.
Configures the Legionella protection function for thermal disinfection of DHW to prevent bacterial growth.
Sets the disinfection temperature for the Antilegionella function to prevent bacterial growth in the hot water tank.
Covers prerequisites for commissioning, emphasizing qualified personnel and completion of installation work.
Details setting the eBUS address on the WCM-EM extension module for proper system identification.
Details setting the address on the WCM-FS remote control station for system configuration and assignment.
Lists error codes for sensor faults, actuator faults, unit faults, and eBUS communication errors with rectification steps.
Provides steps to rectify system errors, including switching system off/on and reconfiguration.
General| Category | Control Systems |
|---|---|
| Manufacturer | Weishaupt |
| Model | WCM-EM 2.1 |
| Input Voltage | 230 V AC |
| Protection Class | IP20 |
| Communication Interface | Modbus RTU |
| Weight | 0.2 kg |
| Operating Temperature | -20°C to +60°C |
