Service manual



. R&D, HOBART CHINA AMX/AM900 / 27
11.1.2SERVICEMENU
Requirements:MachineOFFandHoodopen.
PushStop,ProgramandServicebuttontoentertheServiceMenu.


EXITthetestprogrambyopeningthehood(onlypossiblewithmenuitem"outputstest").


DISPLAY: UPPER LOWER

  S01
‐‐0 (ON/OFFbuttonilluminates)
CLOSEHOOD(doorswitchtestS1) S02
‐‐1

SelectappropriateInputorOutputbypushingtheProgrambutton.


Inputstest: 


 X13.3 Impellerswitch S02
‐‐0
nosignal/‐‐1signalfromS2
  PushON/OFFtoactivateadditionallyfillvalveY1. 
‐‐0
/‐‐1willbedisplayedalternately
 X13.5 Saltswitchstatus S03
‐‐0 saltcontainerisfilled/‐‐1when
 X13.7 Strainer  S04
‐‐0
notinplace/‐‐1strainerinpla
 X13.9 Reserve S05
‐‐0

 X13.11 Reserve S06
‐‐0

 X12.3 Detergentdeficiency1) S07
‐‐0
nodeficiency/‐‐1whenempty
 X12.4 Rinseaiddeficiency1) S08
‐‐0
nodeficiency/‐‐1whenempty
 
1) Push ON/OFF to activate the respective dispenser

... movinglightpoint–dispenser
 
Activationwillpersistuntilremedyofdeficiency.



Temperatureprobestest: 0‐105°C=okay/‐‐1=shortcircuit(>99°C)/‐‐2=opencircuit(<0°C)
 X14.1/2
Temperaturesensor
B1  F01

actualTemperature
 X14.3/4 Temperaturesensortank B2 F02

actualTemperature
Pressuretransmittertest: 0.3‐4.0V=okay/‐‐1=>4.0V/‐‐2=opencircuit<0.3V
 X14.7
Pressuretransmitter
B3  F03

voltagedisplay(boosterlevel)
 X14.10 Pressuretransmittertank B4 F04

voltagedisplay(tanklevel)
Outputs ‐‐0=notactive/‐‐1=active
Hoodmustbeclosed. SelectedoutputcanbeactivatedwiththeON/OFFbutton.StartingfromA01:pushStopbuttontoscrollback.
  VoltagesupplyTri ac  RL1.1 A00 ‐‐0 
 X1.1/3 BypassTriacRL1 A01‐‐0
 X2.1/2 Tankheating E2(K2) RL2 A02 ‐‐0 
 X3.1/3 WashpumpHigh  RL3 A03‐‐0 AUXX/AUP
 WashpumpLow  ‐‐0 AMXT/AUXT
 X4.1/3 Externalfill Y2 RL4 A04 ‐‐0 (option)
 X5.1/3 Detergentdosage M4 RL5 A05‐‐0
 X6.1/3 Rinseaiddosage M3 RL6 A06 ‐‐0 
 X7.1/3 Fillvalve Y1 RL7+RL14 A07‐‐0
 X8.1/3 Drainpump M5 RL8 A08 ‐‐0 
 X9.1/3 Rinsepump M2 RL9 A09‐‐0
 X10.1/3 Boosterheating E1 RL10 A10 ‐‐0 
 X21.6 Softener‐saltingA Y3.1 RL11 A11‐‐0 onlywithbuilt
 X21.7 Softener‐saltingB Y3.2 RL12 A12 ‐‐0 onlywithbuilt
 X21.8 FillB‐A Y4.1 RL13 A13‐‐0 onlywithbuilt
 X21.9 Drain/booster  Y4.2 RL14 A14 ‐‐0 onlywithbuilt
 X22.1/3 ReserveRL15 A15‐‐0 onlywithbuilt
 X23.1/3 Reserve  RL16 A16 ‐‐0 onlywithbuilt
 X24.1/2 PFK1RL17 A17‐‐0 onlywithbuilt
 X25.1/2 PFK2  RL18 A18 ‐‐0 onlywithbuilt
 X26.1/2 PFK3/RL19 A19‐‐0 onlywithbuilt
 WashpumpHigh  AUXXT
 X1.1/3 Washpump  RL1+RL1.1 A20  AMX/AMXX/AUXX/AUP
  WashpumpLow     AMXT/AUXXT
 Handlelightning  Grl‐FF
  Operationunittest   BAE ‐‐0 
 Counterreset(C72‐C80  rES‐‐0 /‐‐1whenON/OFFbuttonis