Section 3

Maintenance

Routine maintenance maximizes operating efficiency and minimizes downtime. The maintenance procedures described below will prolong the life of the machine and help prevent accidents.

WARNING

The AC drive box cover and fan filter must be in place for the fan to properly cool the AC inverter drive. Failure to observe this warning will void the warranty and could lead to expensive AC inverter drive repair.

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CAUTION

Replace all panels that are removed to perform service and maintenance procedures. Do not operate the machine with missing guards or with broken or missing parts. Do not bypass any safety devices.

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Daily, weekly, monthly, and quarterly checklists are provided at the end of this section. Laminate the checklists to preserve them for repeated copying. Operators and technicians are encouraged to add checks specific to their machine’s particular application. When possible, space is provided on the checklists for this purpose.

The following maintenance procedures must be performed regularly at the required intervals.

Daily

Beginning of Day

1.Inspect water inlet valve hose connections on the back of the machine for leaks.

2.Inspect steam hose connections for leaks, where applicable.

3.Verify that insulation is intact on all external wires and that all connections are secure. If bare wire is evident, call a service technician.

4.Check door interlock before starting operation:

a.Attempt to start the washer with the door open. The washer should not start with the door open.

b.Close the door without locking it and attempt to start the washer. The washer should not start with the door unlocked.

c.Close and lock the door and start a cycle. Attempt to open the door while the cycle is in progress. The door should not open.

If the door lock and interlock are not functioning properly, call a service technician.

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