Cove Dishwasher Error Code 600148

Error code 600148 means the dishwasher control system cannot find or read the ZE1 position sensor on the diverter valve. The diverter valve routes water to different spray zones during the wash cycle, and the ZE1 sensor tells the control board where the valve is positioned. Without a valid sensor signal, the dishwasher shuts down to prevent incorrect water routing. The fault points to a sensor, wiring, or valve assembly problem that requires physical inspection.

No, it is not recommended to continue running the dishwasher while this error is active. The control board cannot confirm the diverter valve position, which means water may not be routed correctly to the spray arms. Running cycles in this condition could result in poor wash performance or potential mechanical stress on the pump and valve components. Power should be disconnected until the issue is diagnosed and repaired.

Repair costs depend on the root cause. If only a wiring connector needs to be reseated, the cost may be limited to a service call fee, typically in the range of $75 to $150. If the ZE1 sensor or the diverter valve assembly requires replacement, parts and labor combined could range from $150 to $400 or more depending on parts pricing and the technician's rates. Cove dishwashers are premium appliances, so parts costs may be on the higher end of typical ranges.

The first step, disconnecting power to the unit, is safe for anyone to perform. Beyond that, diagnosing and repairing this error requires accessing the diverter valve and its wiring harness, which involves disassembling interior dishwasher components. Technicians comfortable with appliance wiring and component access can inspect the connector and harness, but replacing the diverter valve or sensor is best handled by someone with repair experience.

A power reset may temporarily clear the error from the display, but the code will return if the underlying problem with the ZE1 position sensor or its wiring has not been resolved. Resetting does not repair a failed sensor, a damaged harness, or a faulty diverter valve assembly. Clearing the code without addressing the root cause will result in the dishwasher faulting out again during the next cycle.