Advantage Temperature Control Unit SK-1635-G

Inspect the heater contactor for signs of wear or pitting

Is the heater contactor in good condition?

Inspect the pump motor starter for signs of wear or pitting

Is the pump motor starter in good condition?

Replacement and Safety Measures

Replace any contactors or starters showing signs of wear or pitting

Ensure all components are properly secured after replacement

Shut down unit operations according to section 3.4 in the manual

Ensure proper lock-out procedures are followed

Is the system pressure eliminated and the unit's pressure gauges reading '0' pressure?

Drain unit by removing the pump casing drain plug

Remove the capillary connection from the cooling cylinder to the pressure switch

Remove the brass elbow mounted on the pressure switch

Remove the electrical connections to the pressure switch

Disengage process operations and verify all system pressure is relieved and the unit's pressure gauges read '0'.

Disengage main power supply and verify the Power light on the display is 'off'.

Remove the lift-off access panel and set aside.

Disconnect the valve wiring harness.

Remove the AVT valve's drip cover.

Remove the 2 mounting screws securing the motor/gearbox assembly.

Carefully separate the motor/gearbox from the attached coupling from the valve assembly.

Unplug the sensor probe connection and shake out water

Did the error display change to Solid Red?

Press the Start push button to clear the error display

Cease process operations as outlined in section 3.4 of the manual

Ensure all process pressure is relieved and pressure gauges read '0' pressure

Drain the unit by removing the pump casing drain plug

Disconnect the sensor probe service plug

Call the factory for diagnostic assistance

Was a control instrument determined to be at fault?

Send a new or reconditioned instrument as a replacement

Return the defective instrument freight pre-paid for full credit

Was the defective instrument returned?

Pay for the instrument if not returned

Out of Warranty Service Incident

Call the factory for diagnostic assistance