How do I troubleshoot a short-circuited return temperature sensor in my REMEHA Quinta Pro 90 Boiler?
If the return temperature sensor is short-circuited in your REMEHA Boiler, check the wiring. Also, check that the sensors are operating correctly and replace the sensor if necessary.
How to fix REMEHA Boiler maximum flow temperature exceeded?
If the maximum flow temperature is exceeded in your REMEHA boiler, it could be due to no flow or insufficient flow. Check the flow (direction, pump, valves) and reasons for the heat demand.
What to do if the water pressure is too low in my REMEHA Quinta Pro 90?
If the water pressure is too low in your REMEHA Boiler, you should check the water pressure. Also, fill the boiler and the installation with water.
How to fix return temperature sensor short circuit in REMEHA Quinta Pro 90 Boiler?
If the return temperature sensor is short circuited in your REMEHA Boiler, check the wiring for bad connections. Also, check that the sensors are operating correctly and that the sensor has been correctly fitted.
What causes a fan operation error in a REMEHA Quinta Pro 90 Boiler?
If there is a fan operation error in your REMEHA Boiler, check the wiring. Also, if the fan is defective, check for adequate draw on the chimney connection and replace the fan if necessary.
Why REMEHA Quinta Pro 90 heat exchanger temperature is too high?
If the temperature of heat exchanger is too high in your REMEHA Boiler, check the wiring for bad connections. Also, check that the sensors are operating correctly and that the sensor has been correctly fitted. If there is no circulation, check the circulation (direction, pump, valves). You may also need to check the water pressure and the cleanliness of the heating body.
How to fix REMEHA Boiler storage unit PSU parameter not found?
If the storage unit PSU parameter is not found in your REMEHA Boiler, the problem could be a bad connection. Check the wiring to resolve this issue.
What to do if there is no flame during operation in my REMEHA Boiler?
If there's no flame during operation of your REMEHA Boiler, here's what you can check: * Vent the gas supply to remove any air. * Ensure the gas valve is fully opened and verify the gas supply pressure. * Check the operation and setting of the gas valve unit. * Make sure the air supply inlet and flue gas outlet are not blocked. * Ensure there is no recirculation of flue gases.
What to do if REMEHA Quinta Pro 90 Boiler shows communication error with the SCU PCB?
If your REMEHA boiler shows a communication error with the SCU PCB, it may be due to a poor connection with the BUS or the SCU PCB not being present in the boiler. Check the wiring and carry out automatic detection.
What causes REMEHA Quinta Pro 90 fan operation error?
A fan operation error in your REMEHA boiler could stem from a bad connection or a defective fan. Ensure adequate draw on the chimney connection and replace the fan if necessary.
General| Mounting | Wall-mounted |
|---|---|
| Max Heat Output | 90 kW |
| Fuel | Natural Gas / LPG |
| Max working pressure | 6 bar |
| NOx class | 5 |
Explains symbols used for danger, warning, and caution.
Details certifications, device categories, and directives for the boiler.
Outlines critical safety precautions for gas and flue gases.
Provides advice on installation, maintenance, and appliance handling.
Overview of high-efficiency wall-hung condensing gas boilers.
Identifies and labels the key components of the boiler.
Explains how the boiler functions, including pump operation.
States the requirement for qualified professionals and adherence to regulations.
Guidance on selecting an appropriate installation site for the boiler.
Steps for connecting the boiler's water circuits.
Instructions for mounting and hanging the boiler securely on the wall.
Details on connecting ventilation and flue gas systems.
Instructions for wiring the boiler to control systems and power.
Details the functions of the boiler's control panel and display symbols.
Lists essential checks before putting the boiler into operation.
Procedures for adjusting gas type and air/gas ratio for optimal performance.
Steps for safely switching off the boiler for long periods.
Explains the boiler's frost protection features and precautions.
Guides on performing preventive maintenance based on the service message.
Details routine checks and maintenance tasks for the boiler.
Covers additional maintenance tasks beyond standard inspections.
Lists and explains error codes displayed by the boiler.
Details boiler lockout conditions and their meanings.
How to access and interpret the boiler's error log.
Guidelines for ordering and replacing boiler components.
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