Ritmo M 110V / 230V / EWI
Here is a list of our most frequently asked questions to assist with any questions you may have about the PFT machines. If your question isn’t here please do get in touch and we will answer this for you – simply click on ‘Talk to the Experts’ below
FAQ's
Machine stops or does not start.
Possible causes:
• No water. Check the water supply.
• Selection switch is at operation without water. Set selection switch to operation with water switch.
• Water pressure too low / gauge displays pressure below 1.9 bar. Clean water inlet filter and install high pressure pump. Supply machine with water from water barrel. Enlarge hose diameter, min. 3⁄4 inch.
• Machine is without power. Have fault rectified by a qualified electrician. Check distributor boxes, fuses and power supply cable.
• Water pressure safety switch misadjusted or defective. Reset to factory setting or replace.
• FI safety switch has triggered. Have grounding wire/insulation inspected by a qualified electrician.
• Main switch defective. Have the main switch replaced by a qualified electrician.
• Fuses defective. Have fuses checked by a qualified electrician. Replace if necessary.
• Too much hardened material in hopper or mixing area. WARNING! Turn off main switch and pull out plug first. Half-empty hopper and restart or clean entire hopper and mixing area.
• Hardened material is blocking the rotor/stator pump unit. WARNING! Turn off main switch and pull out plug first. Remove pump and install new pump
Machine stops after a short while.
Possible causes:
• Dirt trap sieve is dirty. Clean or replace filter.
Machine is running. Solenoid valve does not open.
Possible causes:
• Potentiometer is in wrong position. See machine operating manual for guidance
No display at flow meter, although water supply is okay.
Possible causes:
• Solenoid valve does not open. Check if the hole in the solenoid
valve diaphragm is blocked. Check if the solenoid valve coil is defective. If required, replace diaphragm or entire solenoid valve. Check cable to solenoid valve.
• Needle valve closed completely. Open needle valve in anticlockwise direction.
• Water supply blocked in mixing area. Clean inlet with round file.
Machine does not start via wireless remote control.
Possible causes:
• Insufficient pressure gradient in remote control due to blocked air pipe or air nozzle tube. Check if air pipe is blocked. Clean air nozzle tube.
No mortar flow.
Possible causes:
• Bad mixture in mixing tube. Add more water.
Fluctuations in mortar consistency (mortar flow “thick - thin”).
Possible causes:
• Material clogs, narrowing the mixing tube inlet. The mixing shaft or pump might be worn out. Clean mixing shaft, mixing area and pressure flange. Inspect mixing shaft and pump components. Replace if necessary.
• Pressure reducing valve misadjusted or defective. Increase water supply by 10% for approx. ½ minute and then turn back slowly. Reset pressure reducing valve to factory setting.
Water level rises in mixing tube during operation.
Possible causes:
• Back-pressure in mortar hose higher than pump pressure. Check spray gun or mortar hose for blockages and clean. Warning! Wear protective clothing, goggles etc.
Machine does not start.
Possible causes:
• Too much hardened material in hopper or mixing area. WARNING! Turn off main switch and pull out plug first. Half-empty hopper and restart or clean entire hopper and mixing area.
Machine stops or does not start.
Possible causes:
• Machine is without power. Have fault rectified by a qualified electrician. Check distributor boxes, fuses and power supply cable.
• FI safety switch has triggered. Have grounding wire/insulation inspected by a qualified electrician.
• Main switch defective. Have the main switch replaced by a qualified electrician.
• Fuses defective. Have fuses checked by a qualified electrician. Replace if necessary.
Machine stops or does not start.
Possible causes:
• No water. Check the water supply.
• Selection switch is at operation without water. Set selection switch to operation with water switch.
• Water pressure too low / gauge displays pressure below 1.9 bar. Clean water inlet filter and install high pressure pump. Supply machine with water from water barrel. Enlarge hose diameter, min. 3⁄4 inch.
• Water pressure safety switch misadjusted or defective. Reset to factory setting or replace.
No display at flow meter, although water supply is okay.
Possible causes:
• Solenoid valve does not open. Check if the hole in the solenoid
valve diaphragm is blocked. Check if the solenoid valve coil is defective. If required, replace diaphragm or entire solenoid valve. Check cable to solenoid valve.
• Needle valve closed completely. Open needle valve in anticlockwise direction.
• Water supply blocked in mixing area. Clean inlet with round file.
Water level rises in mixing tube during operation.
Possible causes:
• Back-pressure in mortar hose higher than pump pressure. Check spray gun or mortar hose for blockages and clean. Warning! Wear protective clothing, goggles etc.
Machine does not start via wireless remote control.
Possible causes:
• Insufficient pressure gradient in remote control due to blocked air pipe or air nozzle tube. Check if air pipe is blocked. Clean air nozzle tube.
No mortar flow.
Possible causes:
• Bad mixture in mixing tube. Add more water.
Fluctuations in mortar consistency (mortar flow “thick - thin”).
Possible causes:
• Material clogs, narrowing the mixing tube inlet. The mixing shaft or pump might be worn out. Clean mixing shaft, mixing area and pressure flange. Inspect mixing shaft and pump components. Replace if necessary.
• Pressure reducing valve misadjusted or defective. Increase water supply by 10% for approx. ½ minute and then turn back slowly. Reset pressure reducing valve to factory setting.
