Johnson AFG 7.2AT Service Manual
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Johnson AFG 7.2AT Service Manual

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Issue
e date 20
JOHNSO
ON
Rev
vision
da
ate
Jo
ohnso
on Ind
Approval
A
Kyl
le Schweitz
zer
All manuals and user guides at all-guides.com
016-10-31
Edition
Edition ti
ustrie
es (Sh
AF
FG 7
Serv
S
ice M
Review
n
01
Doc No
o.
me
01
Page
hangh
hai) C
Co., Lt
7.2A
AT
Man
nual
w
34
td
Editor
Alex Tang
g
1

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  • Page 1 All manuals and user guides at all-guides.com Issue e date 20 016-10-31 Edition Doc No JOHNSO vision Edition ti Page ohnso on Ind ustrie es (Sh hangh hai) C Co., Lt FG 7 7.2A Serv ice M nual Approval Review Editor le Schweitz Alex Tang...
  • Page 2 All manuals and user guides at all-guides.com Prod duct Br r owse...

  • Page 3: Table Of Contents

    All manuals and user guides at all-guides.com Contents CHAPTER 1: SERIAL NUMBER LOCATION ....................5 CHAPTER 2: CONSOLE INSTRUCTIONS 2.1 Console Description ..........................6 CHAPTER 3: TROUBLESHOOTING 3.1 Electrical Diagram ..........................8 3.2 MCB Circuit board Instructions ......................10 3.2.1 MCB LED Indicator Figurer Instructions ……………………………………………………………………11 3.2.2 MCB Engineering Mode……………………………………………………………………………….……..12 3.3.3 Console Circuit Board Instructions………………………………………………………………………..…14 3.3 Troubleshooting Summary ………………………………………………………………………..……………15...
  • Page 4 All manuals and user guides at all-guides.com 4.7 Motor Control Board (MCB) Replacement ................... 30 4.8 Incline Motor Replacement ........................31 4.9 Console Replacement .......................... 32 4.10 Console Circuit Board Replacement………………………………………………………………...………33 4.11 Heart Rate Grip and Keypad Replacement…………………………………………………………………34...

  • Page 5: Chapter 1: Serial Number Location

    All manuals and user guides at all-guides.com CHAP PTER 1: S S erial Number Locatio o n 1.1 Serial l Number Location SERIAL N NUMBER...

  • Page 6: Chapter 2: Console Instructions

    All manuals and user guides at all-guides.com CHAPTER R 2: Con sole Instru uction 2.1 Console e Instruction: Note: There e is a thin pro otective shee et of clear pla astic on the o overlay of the e console tha at should be removed before use.
  • Page 7 All manuals and user guides at all-guides.com HAPTER 2 2: Consol le Instructio TIME: Show wn as minute es : seconds. . View the tim me remaining g or the time elapsed in y your workout DISTANCE: : Shown as m miles.

  • Page 8: Electrical Diagram

    All manuals and user guides at all-guides.com CHAPTER R 3: Trou bleshootin 3.1 ELEC CTRICAL D DIAGRAM Fig-1 : The CN4 MCB B TO Cosole Pin layout Fig-2 The JP P6 Speed se ensor to MCB B pin layout Fig-3 The J JP1 MCB To o Inline Pin lo ocation...
  • Page 9 All manuals and user guides at all-guides.com CHAPTER R 3: Troubleshooting CONSOLE E ELECTRIC CAL DIAGR...

  • Page 10: Mcb Circuit Board Instructions

    All manuals and user guides at all-guides.com CHAPTER R3: Troub bleshooting g 3.2 MCB C CIRCUIT B BOARD IN NSTRUCTIO Fig-1 Power Lin Incline mo otor power ca able Speed se nsor cable Console s set cable Software burning cabl Drive mot tor cable 3.2.1 MCB...

  • Page 11: Mcb Led Indicator Figurer Instructions

    All manuals and user guides at all-guides.com MCB LED D Configure Table1 LED No Color Active active unction mptom ght off t voltage to d drive motor LED1 ght on iver Motor ac ctive LED2 Green ght on ght off CB Power ind dicator t voltage out...

  • Page 12: Mcb Engineering Mode

    All manuals and user guides at all-guides.com CHAPTER R 3: Troub b leshooting g 3.2.2. Eng ineering Mo ode 12 2...
  • Page 13 All manuals and user guides at all-guides.com 13 3...

  • Page 14: Console Circuit Board Instructions

    All manuals and user guides at all-guides.com CHAPTER R3: Troub bleshooting g 3.2.3 Cons sole circuit b board Instru uctions LCD display om heart rate e grip om Quick key y Left hand b om Quick key y right hand b Audio In&...

  • Page 15: Troubleshooting Summary

    All manuals and user guides at all-guides.com 3.3 Troubleshoot summary Code description SYMPTOM: Solution Turn on the power switch, but the console will NO POWER TO THE CONSOLE See section 3.3.1 not light up. The safety key inserted in console, but display NO FUNCTION FOR SAFETY KEY See section 3.3.2 window still shows “safety key off”.

  • Page 16: Troubleshooting - No Power To The Console

    All manuals and user guides at all-guides.com CHAPTER R 3: Trou bleshootin 3.3.1 TRO OUBLESH OOTING – – NO POW WER TO TH HE CONSO SOLUTION ck circuit bre eaker, reset i f necessary. .(Fig-1) b. Che ck if the outle et is well.

  • Page 17: Chapter 3: Troubleshooting

    All manuals and user guides at all-guides.com CHAPTER 3: Troubleshooting 3.3.2 TROUBLESHOOTING – NO FUNCTION FOR SAFETY KEY SOLUTION: a. Check if the safety key is totally inserted into the console. - If not, remove and insert again. b. Check if the safety key is oxidized or its condition does not affect its function. - If yes, try cleaning it or replace it.

  • Page 18: Troubleshooting - No Response For Machine (Console&Motor)

    All manuals and user guides at all-guides.com CHAPTER 3: Troubleshooting 3.3.3 TROUBLESHOOTING – NO RESPONSE FOR MACHINE (CONSOLE&MOTOR) SOLUTION: a. Check if the console beeps when all keys are pressed. If no, replace the keypads. b. Enter Engineering Mode, and scroll to ENG 1 (Hardware Test).Press the key “ENTER” first and then the key ”START”.

  • Page 19: Troubleshooting - Incline Motor Issues

    All manuals and user guides at all-guides.com CHAPTER 3: Troubleshooting 3.3.4 TROUBLESHOOTING - INCLINE MOTOR ISSUES SOLUTION: a. Press the "INCLINE" keys, the console should beep and display incline change, if no, replace the key pad b. Enter Engineering Mode, and scroll to ENG 1 (Hardware Test). Press the “ENTER” key first and then the “START”...

  • Page 20: Troubleshooting - Noise Issues

    All manuals and user guides at all-guides.com CHAPTER 3: Troubleshooting 3.3.5 TROUBLESHOOTING - NOISE ISSUES SOLUTION: 1. Thumping noise twice per rotation on new machine This noise is from the roller or running belt. - If this is a new unit, some noise is normal as the running belt forms around the rollers. - Check that the belt is centered and tensioned correctly.

  • Page 21: Troubleshooting - Speaker / Audio Issues

    All manuals and user guides at all-guides.com CHAPTER 3: Troubleshooting 3.3.6 TROUBLESHOOTING - SPEAKER / AUDIO ISSUES SOLUTION: a. One of the speaker boards has a bad connection or is faulty. - Check the connection of the wires going from the speakers to the speaker power board. - Check the connection of the wires going from the speaker power board to the amp board.

  • Page 22: Troubleshooting - Heart Rate Function Issues

    All manuals and user guides at all-guides.com CHAPTER 3: Troubleshooting 3.3.7 TROUBLESHOOTING- HEART RATE FUNCTION ISSUE SOLUTION: a. Re-center the chest strap below the user's pectoral muscle and check again. b . Replace the battery in the chest strap. Wet the user's hand, and then reestablish contact with the HR grip. Replace new HR grip if console can display proper HR rate.

  • Page 23: Troubleshooting - Bluetooth Pairing Issues

    All manuals and user guides at all-guides.com CHAPTER R 3: Trou bleshootin 3.3.8 Trou ubleshoot ting – Blue etooth pai iring Issue SOLUTION 1. Press B Bluetooth but tton see if blu ue light on –( (Fig-1) If not th e Bluetooth may damage e.

  • Page 24: Motor Replacement

    All manuals and user guides at all-guides.com HAPTER 4 4: Part Re eplacemen nt Guide 4.1 MOTO OR REPLA ACEMENT Discon nnect power cord. 2) Remov e the 2 screw ws holding th he motor cov ver to the fram me (Fig-1) 3) The cov ver is secure...

  • Page 25: Rear Roller Replacement

    All manuals and user guides at all-guides.com HAPTER 4 4: Part Re eplacemen nt Guide 4.2 REAR R ROLLER R REPLAC CEMENT 1) Remove the 4 screws s from the re ear end caps, , remove rea ar end caps.( Fig-1) 2) Remove both roller a...

  • Page 26: Side Rail Replacement

    All manuals and user guides at all-guides.com HAPTER 4 4: Part Re eplacemen nt Guide 4.3 SIDE RAIL REP PLACEME 1) Remove the rear end d cap (Fig-1). . See section n 4.2 2) Slide the rail off the b back of the tre eadmill (Fig- -2).

  • Page 27: Running Deck Replacement

    All manuals and user guides at all-guides.com HAPTER 4 4: Part Re eplacemen nt Guide 4.4 RUNN NING DEC K REPLAC CEMENT 1) Remove e the motor c cover as outl lined in Sect tion 4.1. 2) Remove e rear roller a as outlined in n section 4.2 3) Remov...

  • Page 28: Front Roller Replacement

    All manuals and user guides at all-guides.com HAPTER 4 4: Part Re eplacemen nt Guide 4.5 FRON NT ROLLE ER REPLA CEMENT 1) Remove the motor co over as outlin ned in Sectio on 4.1. 2) Remove both of the r rear roller scr rews to remo ove tension f...

  • Page 29: Running Belt Replacement

    All manuals and user guides at all-guides.com APTER 4: Part Rep placement Guide 4.6 RUNN NING BELT T REPLAC CEMENT 1) Remove the motor co over as outlin ned in Sectio on 4.1. 2) Remove the rear rolle er as outlined d in Section 4 4.2.
  • Page 30 All manuals and user guides at all-guides.com APTER 4: Part Rep placement Guide 4.7 MOTO OR CONTR ROL BOAR RD (MCB) ) REPLAC EMENT 1) Turn off p power and d isconnect the e cord from t the machine 2) Remove the motor co over as outlin ned in Sectio...
  • Page 31 All manuals and user guides at all-guides.com HAPTER 4 4: Part Re eplacemen nt Guide 4.8. INCL LINE MOTO OR REPLA ACEMENT 1) Turn off p power to the treadmill an d disconnect t the power c cord. 2) Remove the motor co over as outlin ned in Sectio...
  • Page 32 All manuals and user guides at all-guides.com HAPTER 4 4: Part Re eplacemen nt Guide 4.9 CONS SOLE REP PLACEME 1) Turn off f power to th e treadmill a and disconne ect the power r cord. 2) Remove e the screws s holding the console form m heart rate...
  • Page 33 All manuals and user guides at all-guides.com CHAPT TER 4: Pa art Replace ement Gui 4.9.1 CON NSOLE CI RCUIT BO OARD REP PLACEMEN 1. Confrim w wear good co ontact ESD w wrist strap. 2. See secti ion 4.9 3.
  • Page 34 All manuals and user guides at all-guides.com PTER 4: Part Repl acement G Guide 4.10 Hear rt rate grip and Keypa ad replace ement 1) Remove e all of 8 pcs s bolts and co onnection wi ire (Fig-1) 2) Remove e herat rate g grip bars (Fig g-2)

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