It's inevitable that commercial high-pressure cleaners for hot and cold water will experience some operational issues over time, especially when used in different environments, by various operators, or in varying conditions. Equipment can develop a range of faults depending on usage. Here are two common examples to help you understand potential problems and how they can be resolved. Yichang Hongrui Cleaning Equipment Co., Ltd. offers comprehensive repair services, including support for:
- Common pressure washers
- Fully automatic washing machines
- Dust-free sweepers
- Carpet cleaners
- Industrial vacuum cleaners
- And other leading brands such as MAHA, Karcher, HMC, Fussen, BE, COMAC, and FIMAP
We provide daily maintenance, technical advice, troubleshooting assistance, and on-site service for customers in Yichang City. Our goal is to ensure you feel confident in your purchase and comfortable during use—this is our promise to you.
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### 1. Causes of Low Pressure in Commercial Cold Water High-Pressure Cleaners and Solutions
Low pressure in high-pressure cleaners can be caused by both external and internal factors.
**External Factors:**
These usually involve issues with the water supply, such as unclean water, insufficient flow, or a clogged filter. Many users overlook this problem. The solution is to increase the water pressure and clean or replace the water filter.
**Internal Factors:**
This includes damage to components like the water seal, check valve, pressure regulator, plunger, swash plate, or spring. These parts may wear out over time, leading to reduced pressure. In such cases, replacing the damaged component is necessary to restore proper performance.
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### 2. Reasons for Failure to Ignite in Commercial Hot Water High-Pressure Cleaners and How to Fix It
Commercial hot water high-pressure cleaners typically use high-voltage electrode ignition, followed by solenoid valves controlling fuel supply and combustion. If the boiler fails to ignite, here are the possible causes and solutions:
**Common Causes of Ignition Failure:**
- Faulty temperature control or sensors (pressure, flow, oil supply)
- Damaged diesel pump or blocked/inoperative injectors
- Malfunctioning oil pump outlet valve or incorrect positioning
- Carbon buildup or misalignment of the ignition fork
**Solutions:**
First, check if the ignition fork is correctly positioned and if there’s a spark between the electrodes. Also, verify if the injector is delivering fuel. This helps determine whether the issue is with ignition or fuel delivery.
**(1) No Ignition**
If the ignition fork is carbonized or misaligned, cleaning or replacing it can often resolve the issue. A simple adjustment or replacement might be sufficient.
**(2) No Fuel Supply**
If no fuel is being supplied, check the oil pump’s operation. Open the return line and observe if oil is returning. If it is, the solenoid valve may be faulty. Use a multimeter to test the solenoid valve (typically around 24Ω). If it’s damaged, replace it. If not, check the voltage signal from the temperature control to the pressure switch, flow valve, and oil level switch. If no signal is received, there may be an electrical fault along the way. If no oil returns, the oil pump itself may be damaged and needs repair or replacement.
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The service life of aluminum sliding windows is affected by many factors:
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Hardware accessories
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Climatic conditions
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Daily maintenance
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