How to resolve a configuration conflict in my HTP Boiler?
If you are experiencing a configuration conflict with your HTP Boiler, it means that each boiler connected to the BUS must have a unique address (parameter 0.4.6), and no boiler can be configured as «b-SIN». To resolve this: 1. Press OK, then choose and correct the boiler address. Press OK again. 2. If the above doesn't work, go to parameter 0.4.6 and set the correct boiler address.
What to do if my HTP EFTU-199WCN Boiler shows a Follower Boiler Missing from BUS Connection error?
If the Follower Boiler is missing from the BUS connection, press the Reset button to clear the error code. If the error persists, check the BUS wiring to ensure it is intact and properly connected. Repair if necessary.
How to configure the address on my HTP EFTU-199WCN?
If your HTP Boiler address is unconfigured, it means the boiler address is undefined (0.4.6 = UNDEF). To fix this: 1. Press OK, then choose and correct the boiler address. Press OK again. 2. If the above doesn't work, access parameter 0.4.6 and set the correct boiler address.
How to fix a system sensor open short circuit on my HTP Boiler?
To address a System Sensor Open Short Circuit in your HTP Boiler: 1. Connect the System Sensor to the Master boiler SYS terminal. 2. Check the cable between the System Sensor and the Master boiler. 3. Ensure that the System Sensor is a 10k Ohm NTC. 4. Replace the System Sensor. If the problem continues, replace the main control.
Describes how to configure one boiler as Master and others as Followers for cascade operation.
Details on making low voltage connections for cascade wiring between boilers.
Explains the various screens displayed on the Master boiler's homescreen.
Details the homescreen displays for follower boilers in the cascade system.
Master boiler technical menu structure and parameters.
Follower boiler technical menu structure and parameters.
Critical cascade parameters for Master boiler configuration.
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