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PROBOIL3. For 4 in 1 hot water taps

PROBOIL3 under counter unit, this intelligent 'self-diagnostic' boiler unit is capable of delivering up to 50 cups per hour from its 3 litre capacity tank.

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Technical Documents Welcome to the PROBOIL3. Technical Documents Section, where you will find user guides and instructions to help you with your PROBOIL3.

How To Guides

Specification Sheets & Spares

PROBOIL.3 User Guides

Videos Watch videos of Proboil in action

How To Replace Your ProBoil3. Filter

How To Descale Your ProBoil3. Boiler

Need support? Call the PROBOIL3. Service Centre on 02475 098475

Support Get quick answers to FAQ's or give us a call on 02475 098475

Troubleshooting Find out how to fix common problems using our fault guide

Proboil Issue: Likely fault(s): Action to take:
No display visible. Power off.
Fuse blown.
Check the power and any fuses/ Check the fuses are 13A. Hold the power key to turn on the boiler.
Odour from drain. Vent connection tee incorrectly added after sink trap. The vent tee (B2) must be on the sink side of any trap - remove and reposition.
Odour from washer I dishwasher before the trap. Run a cleaning program on the washer / dishwasher.
Excess water in vent and tundish. Boiler components are calcified. Contact the service agent for a descaling kit, then follow the descaling guide.
Water takes longer than usual to re-boil.
Water drips from the drain hose. Drain hose valve faulty. Ensure the drain hose valve is fully turned off. If this does not resolve the issue, isolate the water and power to the PROBOIL, drain the system and contact the service agent.
The boiler is beeping each time I use the tap. The filter reminder has activated. This is normal please refer to. Does my filter need replacing?
Screen Message: Likely fault(s): Action to take:
Temperature Sensor:
Please turn off appliance at plug. See silver front plate for service contact details.
Faulty temperature sensor on tank. Turn off the boiler.
This is not a user serviceable part. Please contact the service number on the silver plate on the front of the boiler. You will need the model and serial number on the plate also.
Not Heating:
Please turn off appliance at plug. See silver front plate for service contact details.
Various possible faults.
No Water:
Please turn off appliance at plug. See silver front plate for service contact details.
The water supply to the boiler is turned off.
The water pressure is low.
The inlet filter is blocked with debris.
Electrical sensor fault."
Does cold filtered still water come from the tap when turned on?
No: Check the water supply is turned on and the filter is not blocked.
Yes: Turn off the boiler.
Not a user serviceable part. Please contact the service number on the silver plate on the front of the boiler.
You will need the model and serial number on the plate also.
PCB Error:
Please turn off appliance at plug. See silver front plate for service contact details.
PCB has self-diagnosed a fault. Turn off the boiler.
This is not a user serviceable part. Please contact the service number on the silver plate on the front of the boiler. You will need the model and serial number on the plate also.
Descale Required:
Your warranty is at risk. See silver front plate for service contact details/
The top level probe is calcified (scaled). Turn off the boiler.
Please contact the service number on the silver plate on the front of the boiler and obtain a descale kit and new filter. If this does not clear the error, please contact our service team again.
Descale Shutdown:
Your warranty is at risk. See silver front plate for service contact details.
The top level and safety level probe is calcified (scaled).
Check Filter Reminder:
Your warranty is at risk. See silver front plate for service contact details.
The estimated filter life has been reached. Check the filter condition. See "does my filter need replacing?" section of this manual for more information.
Taste Issue: Likely fault(s): Action to take:
Taste of chlorine in filtered water. The level of chlorination in your water supply is unusually high. None.
The filter cartridge is exhausted and needs replacing. Replace filter cartridge.
The cold filtered water is mixed with unfiltered cold water. Flush the tap for longer before use.
Filtered water tastes metallic. The filter is correctly removing the taste of the chlorine from the water, chlorine usually masks any such naturally occurring tastes in the water. Flush the tap for longer before use, if the taste persists it is most likely as described.
Water is cloudy. Air in the water. You can check for air in the water by dispensing 2 glasses of water, one filtered and one normal cold water. In both cases it is normal for the water to be cloudy at first, before settling after approx. 10 minutes. However, if the cause is air then the glass will normally clear from the bottom upwards as the air rises."
Chalk deposits in water. In some water regions, cloudiness can also be attributed to chalk in the water. We recommend conducting the same test as above (air). However, this can take up to 1 hour to clear and in this case will clear from the top of the glass downwards as the debris settles.
Loose carbon fines in the water . Flush the tap for longer before use.
Acidic taste. If the boiler has been descaled recently, some concentration of the descaling solution may remain in the tank. Follow the section "draining the boiler" to drain and refill the boiler. Repeat until the taste dissipates.
The bypass setting on the filter head may have been set correctly. Refer to installation section "filter installation" and check the filter head bypass setting.
TCP / disinfectant taste. Plastic or rubber components in the water supply reacting with chlorine. Check that any additional plumbing work locally to the new mixer tap uses only WRAS approved materials.

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