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W90 Troubleshooting
Breakdown maintenance
If your water machine is faulty, please consult the help information from the following table first. If the problem cannot be resolved, please contact the local maintenance department.
| Fault code | Fault description | Fault triggering conditions | Load | Handling method |
|---|---|---|---|---|
| E1 | Inlet water temperature sensor fault | An open or short circuit, the temperature sensor | All loads are closed | If the fault cannot be eliminated, please contact the after-sales service for handling |
| E3 | Water outlet temperature sensor fault | An open or short circuit, the temperature sensor | All loads are closed | If the fault cannot be eliminated, please contact the after-sales service for handling |
| E4 | Instant dry burning | At any time, the effluent temperature sensor is greater than 103°C for more than 3s | All loads are closed | The power outages start sand the normal temperature water starts for 10 seconds. If the fault cannot be eliminated, please contact the after-sales service for treatment |
| E5 | Communication error | No data receive din any direction between the power board and the control board for 5 consecutive seconds; No data received in any direction between the control board and the display board for 5consecutiveseconds | All loads are closed | If the fault cannot be eliminated, please contact the after-sales service for handling |
| EC | Failure status of pure water tank water level | The upper float has water, and the lower float has no water | All loads are closed | If the fault cannot be eliminated, please contact the after-sales service for handling |
| E6 | Water protection | Pure water tank continuous water production for 2 hours | All loads are closed | 1. Power restart; 2. Check whether there is water in the original water tank, if there is no water, check whether the floating ball is stuck in the top, if there is no card, then lift the original water tank and pure water tank installed again, if the fault still cannot be eliminated, please contact the after-sales treatment |
| H1 | Ambient temperature NTC fault | An open or short circuit, the temperature sensor | All loads are closed | If the fault cannot be eliminated, please contact the after-sales service for handling |
| H7 | Ice jamming | After executing the ice blocking logic twice in a row, the limit switch cannot be detected by rotating the tipping bucket | All loads are closed | If the power is off, if the fault cannot be eliminated, please leave the power off for 4 hours and then power on, or open the ice storage cover to check if there is ice, water warm water to melt the ice. If the fault cannot be eliminated, please contact the after-sales service for processing |
| F0 | Zerocrossingdetectionfault | No over zero signal was detected for 5 seconds | All loads are closed | If the fault cannot be eliminated, please contact the after-sales service for handling |
| H4 | Ice-water NTC fault | An open or short-circuit of the temperature sensor | All loads are closed | If the fault cannot be eliminated, please contact the after-sales service for handling |
| LA | The ice bile water levels abnormal | The upper float has water, and the lower float has no water | All loads are closed | If the fault cannot be eliminated, please contact the after-sales service for handling |
| LB | Refrigeration cooling is too little | Under refrigeration or ice making conditions, continuous water injection for 140 minutes can result in temperature drop of less than 10°C | All loads are closed | If the fault cannot be eliminated, please contact the after-sales service for handling |
| LC | Two tipping bucket limit sensors are simultaneously connected | Both flip limit switches sense simultaneously | All loads are closed | If the fault cannot be eliminated, please contact the after-sales service for handling |
1) if the power cord is damaged, it must be replaced by the manufacturer, its maintenance department or similar department professionals to avoid danger. Avoid squeezing, folding, knotting, or damaging the power cord.
2)lt must be installed by professional personnel, and the parts on the product are easy to damage the product or electric shock risk, and moving and handling are easy to operate improperly, causing machine damage.
