Hoshizaki KM-2400SRF3, KM-2400SRH3 service manual Removal and Replacement of Thermistor Caution

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9.REMOVAL AND REPLACEMENT OF THERMISTOR CAUTION

1.Fragile, handle very carefully.

2.Always use a recommended sealant (High Thermal Conductive Type), Model KE4560RTV manufactured by SHINETSU SILICONE,

Part Code 60Y000-11, or Part Code 4A0683-01 equivalent.

3.Always use a recommended foam insulation (Non-absorbent Type) or equivalent.

4.Do not shorten or cut the Thermistor leads when installing it.

1)Turn off the power supply.

2)Remove the panels.

3)Remove the Control Box Cover.

4)Disconnect the Thermistor leads from

the K3 Connector on the Controller Board.

5)Remove the Plastic Cable Ties, Foam Insulation, Thermistor Holder and

Thermistor. See Fig. 1.

Fig. 1

6)Scrape away the old sealant on the Thermistor Holder and the Suction Pipe.

7)Wipe off moisture or condensation on the Suction Pipe.

8)Smoothly apply recommended sealant (KE4560RTV, Part Code 60Y000-11 or 4A0683-01) to the Thermistor Holder concave.

9)Attach the new Thermistor to the Suction Pipe very carefully to prevent damage to the leads. Secure it using the Thermistor Holder and recommended foam insulation.

10)Secure the insulation using the Plastic Cable Ties.

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Contents Stackable Crescent Cuber Hoshizaki AMERICA, INC Contents Maintenance Specifications Condensing UNIT, URC-24F Specifications Model URC-24F II. General Information Construction Features of Control Products E Controller Board Controller BoardSOLID-STATE Control Controller BoardPage Beep every 3 sec. = High Evaporator Temperature 127 F Minute Fill CycleHarvest Cycle Freeze CycleControl Products HOSHIZAKI001 Board Control Products HOS-001A Board Sequence 1st Cycle 2nd Cycle and after with pump drain Important Water Valve opening is limited to 6 minutes2nd Cycle and after with no pump drain Controls and Adjustments OFFSetting Time Setting Frequency Checking the Controller Board Page III. Technical Information Wiring Diagram Timing Chart Page Performance Data IV. Service Diagnosis No ICE Production Problem Possible Cause RemedyController Board Problem Possible Cause Remedy Evaporator is Frozen UP ThermistorAbnormal ICE LOW ICE ProductionOthers Removal and Replacement of Components Service for Refrigerant LinesRefrigerant Recovery Evacuation and Recharge R-404ABrazing Removal and Replacement of Compressor Important Removal and Replacement of Drier Removal and Replacement of Expansion Valve Removal and Replacement of HOT GAS Valve and Line Valve Removal and Replacement of Evaporator Important Page Removal and Replacement of Thermistor Caution Removal and Replacement of FAN Motor Removal and Replacement of Water Valve Removal and Replacement of Pump MotorRemoval and Replacement of Spray Tubes VI. Cleaning and Maintenance Instructions Important Preparing the Icemaker for Long StoragePage Cleaning Procedure Cleaning Procedure Page Sanitizing Procedure Following Cleaning Procedure Maintenance