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Model HCH-930/932

1-3.    TROUBLESHOOTING (Continued)

Problem

Cause

Correction

HEATING SYSTEM

A.  Unit not heating

•  Faulty thermostat

• Check thermostat

•  Faulty high limit

• Check high limit

•  Faulty heater

• Check heater

•  Faulty wiring

• Check wiring for loose connections

or broken wires

B.  Unit not heating

•  Faulty blower

•  Check blower and replace if bad

      to desired temperature

•  Thermometer not indicating

•  Check cabinet temperature with

 true temperature

another thermometer;  if necessary,

replace thermometer

C.  Unit overheats

•  Faulty thermostat

•  Check thermostat

•  Faulty blower

•  Check blower and replace if bad

POWER SECTION

A.  With power switch

•  Unit not connected to electrical

•  Connect unit to electrical supply

      turned on, the cabinet

supply

      is inoperative

•  Open circuit breaker or fuse

•  Reset circuit breaker, or replace

 fuse

•  Faulty cord or plug

•  Check cord and plug

•  Faulty power switch

•  

Check power switch

B.  With power switch

•  Open high limit

•  With unit cool, check high limit

      turned on, the blower
      and fan operate, but

•  If the high limit opened because of

      the power light is

overheating, refer back to part C

      off, and the unit

   of the Heating System trouble-

      won’t heat

   shooting

203

      1-3

Summary of Contents for HCH-930

Page 1: ...TECHNICAL MANUAL Henny Penny Heated Holding Cabinet Model HCH 930 Model HCH 932...

Page 2: ......

Page 3: ...Clean Water Strainer 2 2 2 5 Replace Water Strainer 2 2 2 6 Cleaning Water Valve 2 3 2 7 Replacing Water Valve 2 4 2 8 Float Switch 2 5 2 9 Solid State Delay Timer 2 6 2 10 Blower 2 6 2 11 Heater 2 7...

Page 4: ...ii 703...

Page 5: ...especiallyimportantinformation CAUTION used without the safety alert symbol indicates a potentially hazardous situation which if not avoided may result in property damage CAUTION indicates a potential...

Page 6: ...bad B Cabinetsteaming Toomuchhumidityinside Remove one or more baffles or product soggy cabinet from water pan WATER SYSTEM A Waterpannotfilling Water supply off or Check water supply line disconnect...

Page 7: ...meter C Unit overheats Faulty thermostat Check thermostat Faulty blower Check blower and replace if bad POWER SECTION A With power switch Unit not connected to electrical Connect unit to electrical su...

Page 8: ...Model HCH 930 932 THIS PAGE INTENTIONALLY LEFT BLANK 1 4 703...

Page 9: ...llreadinfinity 2 3 DELIMINGWATER PAN Inspect the water pan and baffles every 10 days for lime buildup AND BAFFLES and clean when necessary Failure to keep the water pan and baffles free of lime buildu...

Page 10: ...Make sure water pan issecureagainsttheceilingofthecabinet 7 Replace the top drawer 8 Reconnectelectricalsupplytocabinet 2 4 CLEAN WATER STRAINER 1 Shutoffwatersupply 2 Remove the hex cap at the botto...

Page 11: ...the inlet side of the valve with a wrench and thenturnvalvecounterclockwiseuntilthevalveisfreefromthe fitting 9 Remove the 2 screws H from the coil retainer F 10 Remove the retainer and pull the coil...

Page 12: ...onnect the electrical supply to the cabinet 2 7 REPLACINGWATER VALVE 1 Follow steps 1 through 8 of section 2 6 To avoid electrical shock or property damage move the power switch to OFFand disconnect m...

Page 13: ...continuewiththestepsbelow 4 Cut the float switch wire that attaches to terminal 3 on the solid state relay 5 Removethe2screwssecuringthefloatswitchwellandpullthe well up and out of the heater box cove...

Page 14: ...the back of the control panel with the 2 nutsremovedearlier 6 Replace the cabinet top 7 Reconnecttheelectricalsupply 2 10 BLOWER 1 Disconnecttheelectricalsupplytothecabinet To avoid electrical shock o...

Page 15: ...upply to the cabinet 2 12 HIGH LIMIT 1 Disconnect the electrical supply to the cabinet To avoid electrical shock or property damage move the power switch to OFF and disconnect main circuit breaker or...

Page 16: ...he2nutssecuringthebulbretainingclipsandremove thethermometerbulbfromtheclips 6 Removethenutsecuringthethermometertothemountingbrack et on the back of the thermometer body 7 Removethethermometerthrough...

Page 17: ...he cabinet 5 Pull the blower box up to expose the thermometer and thermo stat bulbs Carefully lay the blower and blower box off to one side 6 Removethe2nutssecuringthebulbretainingclipsandremove theth...

Page 18: ...rol panel 5 Remove the switch from the unit 6 Install the switch in reverse order Step 4 7 Replace cabinet top 8 Reconnect electrical supply to the cabinet 2 16 INDICATINGLIGHTS 1 Disconnect the elect...

Page 19: ...fan Step 3 4 Remove the 4 nuts and screws securing the fan and remove fan fromthecabinet 5 Install new fan in reverse order 6 Strip ends of cut wires and connect them to the new fan wires Step 4 7 Re...

Page 20: ...er the 2 drawer handle spacers over the screw holes so the handle screws pass through the spacers 2 19 DRAWER AND LINER Apply Loctite to screw threads when replacing drawer bearing kit BEARING REPLACE...

Page 21: ...Model HCH 930 932 807 2 13 2 20 WIRING DIAGRAMS...

Page 22: ...Model HCH 930 932 2 14 807 2 20 WIRING DIAGRAMS Continued...

Page 23: ...Model HCH 930 932 807 2 15 2 20 WIRING DIAGRAMS Continued...

Page 24: ...2 20 WIRING DIAGRAMS Continued 2 16 807...

Page 25: ...2 20 WIRING DIAGRAMS Continued 807 2 17...

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