| 摘要 |
Disclosed is an abnormality detecting method for an automatic ice making machine that can quickly detect an abnormality to delay an ice-making time or an abnormality to shorten the ice-making time, if occurred. A down flow type ice making machine includes two ice making units, one control means, and an ice storage room. Each ice making unit has an ice making part, an ice-making water tank that stores ice-making water, a circulation pump that feeds the ice-making water stored in the ice-making water tank to the ice making part, and a float switch that detects the amount of the ice-making water in the ice-making water tank. Upon elapse of a preset first abnormality occurring time from a time of first detection of an ice-making complete water level by the float switch in any one of the ice making units, when the float switch in any one of the other ice making units has not detected the ice-making complete water level, the control means decides that an abnormality has occurred in the ice making unit.
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