8/11/2019 Manual de Servicio S 40 y S 45 (1)

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March 2008 Section 5 Troubleshooting Flow Charts

REV B

Part No. 72136 S-40 S-45 5 - 51

Chart 23

Platform RotateLeft Function

Inoperative

Be sure all other

functions operatenormally.

With key switch turnedto ground controls andboth Emergency Stopbuttons pulled out to theONposition, hold thefunction enable switch toeither side and move theplatform rotate toggleswitch TS13 in the LEFTdirection. Check voltageat grn wire on platformrotate left directionalvalve (item CC).

0V

With key switch turnedto ground controls andboth Emergency Stopbuttons pulled out to theONposition, hold thefunction enable switch toeither side and move theplatform rotate toggleswitch in the LEFTdirection. Check voltageat TB17.

0V

With key switch turnedto platform controls and

both Emergency Stopbuttons pulled out to theONposition, press downthe foot switch andmove the platform rotatetoggle switch in the LEFTdirection. Check voltageat TB17.

Repair open in grn-4wire from TB17 toplatform rotate leftdirectional valve coil(item CC) OR repairopen in brn ground wirecircuit to valve coil.

12V ormore

0V

Troubleshoot platformrotate toggle switches

TS13 and TS5 ORrepair open in red power

wire circuit to TS13 andTS5 OR repair open ingrn wire circuit fromTS13 and TS5 to TB17OR consult GenieIndustries ServiceDepartment.

12V or more

Troubleshoot platformrotate toggle switchTS13 OR repair open inred power wire circuit to

TS13 OR repair open ingrn wire circuit fromTS13 to TB17 ORconsult Genie IndustriesService Department.

12V or more

Continued on the nextpage.

8/11/2019 Manual de Servicio S 40 y S 45 (1)

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March 2008Section 5 Troubleshooting Flow Charts

REV B

5 - 52 S-40 S-45 Part No. 72136

CHART 23

Disconnect the wiresfrom the platform rotateleft directional valve coil(item CC) and test theresistance of the valvecoil.

0 orinfiniteohms Replace the platform

rotate left directionalvalve coil (item CC).

6 to 7 ohms

Continued from theprevious page.

Exchange platformrotate left and rightdirectional valves (itemsCC and DD) andactivate the platformrotate left function.

function inoperative

functionoperates

Replace the faultydirectional valve.

Exchange platformrotate left and rightcounterbalance valvesat the counterbalancevalve manifold andactivate the platformrotate left function.

function inoperative

functionoperates

Replace the faultycounterbalance valve.

Install a 0 to 3000 (207bar) pressure gauge atthe quick disconnectcoupling on the functionmanifold and activatethe platform rotate leftfunction.

Check for mechanicalrestrictions keepingplatform rotate leftfunction from operatingOR repair or replaceplatform rotator ORreplace platform rotatorcounterbalance valvemanifold OR consultGenie Industries ServiceDepartment.

Consult Genie IndustriesService Department.

Exchange platformrotate flow regulatorvalve (item EE) with theplatform leveling flowregulator valve (item U)and activate the platformrotate left function.

function inoperative

functionoperates

Replace faulty flowregulator valve.

*See Note 2

*SeeNote 1

*Note 2S-40: less than 2600 psiS-45: less than 2900 psi

*Note 1S-40: 2600 psi or moreS-45: 2900 psi or more

8/11/2019 Manual de Servicio S 40 y S 45 (1)

3/4

March 2008 Section 5 Troubleshooting Flow Charts

REV B

Part No. 72136 S-40 S-45 5 - 53

Chart 24

Platform RotateRight Function

Inoperative

Be sure all other

functions operatenormally.

With key switch turnedto ground controls andboth Emergency Stopbuttons pulled out to theONposition, hold thefunction enable switch toeither side and move theplatform rotate toggleswitch TS13 in the RIGHTdirection. Check voltageat grn/blk-4 wire onplatform rotate rightdirectional valve(item DD).

0V

With key switch turnedto ground controls andboth Emergency Stopbuttons pulled out to theONposition, hold thefunction enable switch toeither side and move theplatform rotate toggleswitch in the RIGHTdirection. Check voltageat TB18.

0V

With key switch turnedto platform controls and

both Emergency Stopbuttons pulled out to theONposition, press downthe foot switch andmove the platform rotatetoggle switch in theRIGHTdirection. Checkvoltage at TB18.

Repair open in grn/blk-4wire from TB18 toplatform rotate rightdirectional valve coil ORrepair open in brnground wire circuit tovalve coil.

12V ormore

0V

Troubleshoot platformrotate toggle switches

TS13 and TS5 ORrepair open in red power

wire circuit to TS13 andTS5 OR repair open ingrn/blk wire circuit fromTS13 and TS5 to TB18OR consult GenieIndustries ServiceDepartment.

12V or more

Troubleshoot platformrotate toggle switchTS13 OR repair open inred power wire circuit to

TS13 OR repair open ingrn/blk wire circuit fromTS13 to TB18 ORconsult Genie IndustriesService Department.

12V or more

Continued on the nextpage.

8/11/2019 Manual de Servicio S 40 y S 45 (1)

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March 2008Section 5 Troubleshooting Flow Charts

REV B

5 - 54 S-40 S-45 Part No. 72136

CHART 24

Disconnect the wiresfrom the platform rotateright directional valvecoil (item DD) and testthe resistance of thevalve coil.

0 orinfiniteohms Replace the platform

rotate right directionalvalve coil (item DD).

6 to 7 ohms

Continued from theprevious page.

Exchange platformrotate right and leftdirectional valves (itemsDD and CC) andactivate the platformrotate right function.

function inoperative

functionoperates

Replace the faultydirectional valve.

Exchange platformrotate right and leftcounterbalance valvesat the counterbalancevalve manifold andactivate the platformrotate right function.

function inoperative

functionoperates

Replace the faultycounterbalance valve.

Install a 0 to 3000 (207bar) pressure gauge atthe quick disconnectcoupling on the functionmanifold and activatethe platform rotate rightfunction.

Check for mechanicalrestrictions keepingplatform rotate rightfunction from operatingOR repair or replaceplatform rotator ORreplace platform rotatorcounterbalance valvemanifold OR consultGenie Industries ServiceDepartment.

Consult Genie IndustriesService Department.

Exchange platformrotate flow regulatorvalve (item EE) withplatform level flowregulator valve (item U)and activate the platformrotate right function.

function inoperative

functionoperates

Replace faulty flowregulator valve.

*See Note 2

*SeeNote 1

*Note 2S-40: less than 2600 psiS-45: less than 2900 psi

*Note 1S-40: 2600 psi or moreS-45: 2900 psi or more