The wind is too strong outsideProspect household appliance range hood fault and treatment:
| The phenomenon of | Cause analysis, | Processing method | 
| The light is on and the motor won't turn | 1. The wind wheel is stuck | Troubleshoot wind wheel sticking fault | 
| 2. Capacitor damage | Replace the capacitance | |
| 3. The motor is tightened or the bearing is damaged | Replace the motor | |
| 4. The internal wire of the motor is broken or the motor is burnt out | Replace the motor | |
| The bulb burned out | Replacement bulbs | |
| 6. Control line falls off | Connect the control line according to the electrical reason diagram | |
| Oil leakage at the edge of the middle plate | 1. Poor sealing of inlet washer and exhaust chamber | Remove the oil screen and seal it with strong glue | 
| 2. Oil leakage at the junction of outdoor smoke exhaust edge and roof | Remove the middle plate and seal it with paint or soap | |
| The body vibration | 1. The damaged blade is not stable and will vibrate when rotating | Replace the blades | 
| 2. The motor is not locked | Lock the motor | |
| 3. The body suspension is not firm | Tighten the body | |
| Attraction is not enough | 1. The distance between the body and the cooker is too large | Adjust the height of the range hood | 
| 2. Too many doors and Windows around the body and too much air convection | Close doors and Windows properly | |
| 3. Smoke pipe bellows are too long or too curved | Install the smoke tube according to the instruction | |
| The wind is too strong outside | Non-technical fault | |
  | 1. The screw fixing the body on the hook becomes loose and causes the body to skew | Tighten the screw so that it is level | 
| 2. The screw of the body hanging on the iron sling is loosened to make the body tilt forward | Tighten the adjusting iron suspension screw to make it level | 
 
Fault and treatment of household gas cookers for electrical appliances:
| The fault phenomenon | The cause of the problem | Processing method | 
| Doesn't work | More air is mixed into the windpipe | Extend the ignition time until the air in the tube is completely exhausted | 
| Ignition electrode or insulator too dirty | Clean with a dry cloth | |
| The rubber delivery pipe is bent or compressed | Correct the hose | |
| The ignition electrode is on the high side | Adjust the position of the ignition needle | |
| The position of the flame detector needle is off the fire too dirty | Adjust position or clean | |
| The battery is dead | Replace the battery | |
| Pulser failure | Replace the new pulser or send it to the maintenance department for repair | |
| Accidentally put out | The wind is snuffed out, or the profit of soup is consumed | To the ignition | 
| Stink of gas | The rubber hose is not properly joined or cracked | Connect or replace the hose | 
| The valve leakage | Replace valve body with professional maintenance personnel | |
| Air leakage in the air delivery pipe or connecting pipe | Find a professional maintenance personnel to replace the air pipe or connecting pipe | |
| The flame jumps off the burner or backfires and makes a noise | Improper air conditioning | Adjust the damper to get the right amount of air | 
| The top of the stove is not covered properly | Put the cover exactly into the burner holder | |
| The burner is blocked | Remove the blockage | 
Foreground gas quick water heater for household appliances:
| Phenomenon (right) | Open the hot water valve, do not fire | Deflagration, fire | Flames yellow smoke appeared | The flames were abnormally smelly | Fire is an abnormal sound | Adjust to the high temperature position the water is still not hot | It's not too hot at low temperature | At low temperature, the fire goes out | After turning off the hot water, the water will not go out | Processing method | ||
| Reasons (2) | ||||||||||||
| The gas valve is not open | ● | Open the gas main valve fully or renew the gas cylinder | ||||||||||
| The gas main valve is half open | ● | ● | ● | Leave the gas main valve open | ||||||||
| There is air in the gas pipe | ● | Turn the water heater on and off continuously until it is on fire (note: after turning off the hot water valve, wait more than 5 seconds before opening it again) | ||||||||||
| Improper gas pressure | high | ● | ● | |||||||||
| low | ● | ● | ||||||||||
| Cold water main valve not open | ● | Open the cold water main valve completely | ||||||||||
| freeze | ● | Don't use it until it melts | ||||||||||
| Insufficient cold water pressure | ● | ● | ● | Maintenance personnel check water pressure and piping | ||||||||
| Wrong way to adjust water temperature | ● | ● | Refer to the method of hot water humidity control | |||||||||
| Fresh air is in short supply | ● | Immediately improve ventilation so that there is plenty of fresh air | ||||||||||
| The safety device is working | Please refer to the handling method when the safety device is in operation | |||||||||||
| Gas plug | ● | ● | ||||||||||
| Heat exchanger blocked | repairman | |||||||||||
| The water control valve device is out of order | ● | repairman | ||||||||||
| Pulse generator failure | ● | ● | ● | ● | ● | Contact maintenance personnel | ||||||
| Lead loose | ● | ● | Connect the loose lead correctly | |||||||||
| Microswitch fault | ● | Replace the micro switch | ||||||||||
| Solenoid valve fault | ● | ● | Contact maintenance personnel | |||||||||
| Feedback electrode fault | ● | Same as above | ||||||||||
| Fan fault | ● | Contact maintenance personnel | ||||||||||
| Motor fault | ● | ● | Contact maintenance personnel | |||||||||
| Air pressure | ● | ● | Clear the flue if it is blocked | |||||||||
| Power supply not connected, power failure | ● | ● | Connect to the power supply | |||||||||