Cateye EC-3600, EC-3700 service manual 2No Display of Cadence

Page 15

Applicable Models: EC-1200 EC-1600 EC-3600 EC-3700

T-2

No Display of Cadence (The cadence remains at zero (0) and does not count when the pedal is rotated.)

 

 

 

 

Check Method of Causes

Repair Method

Explanation Figures

 

 

[1] Checking the Control Unit

 

 

 

 

1. Turn off the power. Loosen the four screws on the handlebar

The case of no short-circuiting

 

 

 

stem to remove the control unit.

 

 

 

 

 

Black Cable

 

2. Remove the cable connector which is connected to the back of

The case a short-circuiting is found. One zero (0)

 

 

 

control unit.

 

 

 

is detected during one rotation of the pedal.

 

 

 

 

 

 

 

5

3. Slowly rotate the pedal while measuring the resistance across

 

 

4

 

 

 

 

 

 

 

3

 

the connector terminals 1 and 2 of the 5P cable. (Fig. 1)

 

 

2

 

 

 

1

 

t

When there is one short-circuiting (resistance becomes

Replace the control unit with a brand new one.

 

 

 

 

zero) during one rotation of the pedal, the control unit is

 

 

 

 

 

defective.

 

 

 

 

When there is no short-circuiting, proceed to the following check

 

 

Terminal 2

 

 

 

 

procedures.

 

Red Cable

Terminal 1

[2] Checking the Main Unit

 

 

 

 

 

1. Remove the frame cover. (See the Section D-1 and D-2

 

 

 

 

"Removing the Frame Covers.")

 

 

5P Cable

 

Fig. 1

 

2. Remove the CN-3 connector on the power supply board. (Fig.

 

 

 

 

 

2)

 

 

Power Supply Board

3. Slowly rotate the pedal while checking shortcircuit across the

 

 

The case of no short-

two terminals of the CN-3 connector by using a tester to see if

 

 

 

 

circuiting

there is one short-circuiting during one rotation of the pedal.

 

 

The case a short-circuiting is

(Fig. 3)

 

 

 

 

found. One zero (0) is detected

t If short-circuiting is found, the 5P cable which connects the

Replace the 5P cable.

(See the Section ES-2

during one rotation of the pedal.

Black Cable

power supply board and the control unit is defective.

"Replacing the 5P Cable.")

 

 

When there is no short-circuiting, proceed to the following check

 

 

 

procedures.

 

 

 

[3] Check the positional relation between the CDC sensor and the

 

 

 

magnet of the large gear. (Fig. 4)

 

 

Red Cable

1. Align the line on the CDC sensor with the center of the CDC

 

 

 

 

CN-3 Connector

magnet. (Fig. 5)

 

 

 

 

 

2. Secure a gap of about 2mm between the surface of the CDC

 

Fig. 2

Fig. 3

sensor and that of the CDC magnet. (Fig. 5)

 

 

Gap of 2mm between CDC Sensor and CDC

Check if there is any short-circuiting in the CN-3 connector again.

 

 

 

 

Magnet

t When a short-circuiting is found, the positional relation

 

 

Line on CDC Sensor

 

 

 

between the CDC sensor and the CDC magnet of the large

 

 

 

gear is incorrect.

 

 

Line on CDC Sensor

t When there is no shortcircuit, the CDC sensor is defective.

Replace the CDC sensor.

(See the Section ES-5

 

 

"Replacing the CDC Sensor".)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Ce

nter of CDC Mag

net

Center of CDC Magnet

 

 

 

 

Fig. 4

Fig. 5

Cateye Ergociser Series 1000 Service Manual

T-2No Display of Cadence

13

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Contents Cateye Ergociser Applicable Models EC-1200 EC-1600 EC-3600 EC-3700 IndexServiceManual Applicable Models EC-1200 Flywheelw/o TypeUpright ForParts OfNameName of Parts for Upright Type w/o Flywheel EC-1600 Name of Parts for Upright Type w/ FlywheelName FlywheelTypew OfPartsforUprightEC-3600 EC-3700 Name of Parts for Recumbent TypeOFF ADD Name of Parts for Belt Drive TypeEC-3600B/EC-3700B EC-3600B/EC-3700BCircuit Diagram for Automatic Type Cateye Ergociser Circuit DiagramNo Display on Control Unit after Power on 1No Display on Control Unit after Power onEC-1200 EC-1600 EC-3600 EC-3700 Check Method of Causes Repair Method Explanation Figures Main unit in accordance with the following procedures2No Display of Cadence No Display of Pulse Rate EC-1600 EC-3700 Printer is not used. Check if the No.4 select switch onDefective ES-3 Replacing the Power Supply Board No Printer OperationCheck Method of Causes Repair Method No Loading Check of mechanical systemsSection ES-2 Replacing the 5P Cable Remove the connector CN-1 from the power supply boardNo Loading Check of Electrical Systems 5No Loading Check of Electrical SystemsNo Pedal Rotation Locked 6No Pedal Rotation LockedEC-1600 EC-3600 EC-3700 Flywheel set with new ones 1Unusual Noise Continuous and IncreasingEC-1200 EC-1600 EC-3600 1Unusual Noise2Unusual Noise Unusual Noise Periodical3Unusual Noise Noise occurs when the pedal is rotated with a large torque1Removing the Frame Covers 1Removing the Frame CoversSide pedal can be removed by turning it in the clockwise Remove the frame covers in the following proceduresRemoving the Frame Covers 2Removing the Frame CoversFrame ES-1Replacing the Wiring within2Replacing the 5P Cable ES-2Replacing the 5P CableCut the cable holders which fix the cable to remove the 5P Control unit. Also, remove the cable connector. FigCable to the frame by using cable holders Frame CoversES-3Replacing the Power Supply Board ES-3Replacing the PowerSupply Board , fasten the frame-side nut Metal base in the following procedures. FigWhen the main unit is viewed from the direction as depicted Frame side FigES-5Replacing the CDC Sensor ES-5Replacing the CDC SensorReplacing the Panel Keyboard ES-6Replacing the Panel KeyboardES-7Replacing the Button Panel ES-7Replacing the Button PanelES-8Replacing the Printer Replacing the PrinterES-9Adjusting the Printing Darkness ES-9Adjusting the Printing DarknessES-10Paper Jamming in Printer Paper Jamming in PrinterWorkload Unit w/o Flywheel MS-1ReplacingEC-1200 Tension to the chain. Fig Wheel before setting it to the upper part of the large gearSetting on the large gear. Fig Assemble the chain. Chain should first be set on the freeMS-1Replacing the Workload Unit w/o Flywheel Flywheel MS-2Replacing the Workload UnitÀMounting the Brandnew Workload Unit MS-3Adjusting the Flywheel MS-3Adjusting the FlywheelEC-1600 EC-3600 MS-4Replacing the Chain MS-5Replacing the Free Wheel Set MS-5Replacing the Free Wheel SetMS-6Replacing the Derailleur Set MS-7Replacing the Idler Set MS-7Replacing the Idler SetMS-8Replacing the Crank Set MS-8Replacing the Crank SetAdjust the clearance between the magnet mounted on Fasten the crank cap by using a coin, etc. FigEnable the complete setting of the gear. Fig Should be adjusted as illustrated in Fig9Replacing the BB Set MS-9Replacing the BB SetMS-10Replacing the Post Spacer MS-10Replacing the Post SpacerMS-11Adjusting the Spacer Spring MS-11Adjusting the Spacer SpringMS-12Replacing the Inner Pipe Spacer MS-12Replacing the Inner Pipe SpacerEC-3600 EC-3700 MS-13Replacing the Vertical Pipe Spacer MS-13Replacing the Vertical Pipe SpacerMS-14Replacing the Leg Cover MS-14Replacing the Leg CoverEC-3600 EC-3700 MS-15Replacing the Caster and Level Adjuster MS-16Replacing the Seat Post Knob MS-16Replacing the Seat Post KnobEC-3600 EC-3700 MS-17Replacing the Lock Pin MS-17Replacing the Lock PinSet the right and left pedals MS-18Replacing the Crank CoverMS-19Replacing the Crank Cover ÀREMOVAL Remove both right and left pedals. FigMS-19Replacing the Center Cover of Upright Type EC-1200 EC-16001200, remove the cable holder from the handlebar post MS-20Replacing the Center Cover of Recumbent Type MS-21Replacing the Handlebar Grip MS-22Replacing the Printer Cover MS-22Replacing the Printer CoverMS-23Replacing the Paper Cutter MS-23Replacing the Paper CutterPNR.780-5160 EC-1600/3700 Panel Keybord unit sets List of Genuin PartsApplicable Models EC-1200EC-1600 PNR.781-5520 EC-3600 Crank CoverL,RSet unit sets Unit sets PNR.781-5580 PNR.000-0000 HR Senaor Belt unit sets PNR.701-6701 Wireless Heart Rate Senaor Kit TMParts Unit sets 1000Unit pieces P8M15-1080 Applicable Models EC-1200B EC-1600B EC-3600B EC-3700BList of Genuin Parts Belt Drive Unit sets Unit pieces P8M15-1192 PNR.724-1022List of Genuin Parts Applicable Models EC-1200 EC-1600 EC-3600 EC-3700
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