Dolev 4press - Troubleshooting & Diagnostics
The Test Tree - DRIVERS

Ø Drivers

Checks Drivers Boards.

Ø DC Driver

Check the DC DRIVER Board

Ø PWM Motors Load

Checks Load motor

Ø PWM Motors Take

Checks Take motor

Ø PWM Motors Cassette

Checks Cassette motor

Ø ON/OFF Motor Cutter

Checks Cutter motor

Ø ON/OFF Nd Filter

Checks Nd Filter

Ø ON/OFF Spare

Checks Spare

Ø Solenoids Load

Checks Load circuit in the driver

Ø Solenoids Unload

Checks Unload circuit in the driver

Ø Solenoids Spare

Checks Spare circuit in the driver

Ø Stepper Drvr

Check the Stepper Driver clear signal.

1. Reset CLR_DRVR~ and Check after 1mSec that DRVR_ERROR~ is Clear.
2. Set CLR_DRVR~ and Check after 1mSec that DRVR_ERROR~ is Set.

Ø Spinner Drvr

Checks the Spinner Driver:

1. Check SPN_FB_COS signal to be '1' -> driver exist.
2. Turn On the Spinner 24000 RPM
3. Check SPINNER_OK (FE02.4) to be '0'.
4. Turn Off the Spinner.
5. Wait 3 seconds
6. Check SPINNER_OK (FE02.4) to be '1'.

Ø Mechanics

Checks the Mechanics of the DOLEV 800.

Ø H.P. Calib.

Perform Home position calibration.

1. Bring carriage to Home position (fast motion).
2. Read micro steps offset.
3. Test passes if 125 < offset < 375.

Ø Full Step

Activates Movements in full step for 30-60 sec.

Verify the right position after all movements.

Ø Micro Step

Activates Movements in micro step for 30-60 sec.

Verify the right position after all movements.

Ø Mixed moves

Activates Movements in full and micro step for 30-60 sec.

Verify the right position after all movements.

Ø Detect. Move

Checks that after several movements carriage returns to the same pos.

1. Save current position.
2. Move the carriage from H.P. to F.P.
3. Move to the old saved position.
4. Verify that this position is the same like the saved one.

Ø Motor On/Off

Checks Spinner running at 24000 rpm.

1. Turn Spinner On at 24000 rpm.
2. Check Spinner Counter, Encoder and Index clocks.
3. Turn Spinner Off.

Ø Speed Select

Checks Spinner running at 12000, 15000, 18000, 21000, 24000 rpm

1. Turn Spinner On.
2. Check Spinner Counter, Encoder and Index clocks.
3. Turn Spinner Off.

Ø Carr & Spin

Checks Spinner Encoder Clock during the Carriage movement.

1. Turn Spinner On at 24000 rpm and check.
2. Move carriage to Feed Position and during the movement measure the Spinner Encoder Clock.
3. Move carriage to the Home Position.
4. Check the Spinner Encoder Clock is still OK.
5. Turn Off the Spinner.

Ø Stability

Checks Spinner speed stability for all NVM defined speed levels.

1. Turn Spinner On at specific speed. Intensity value from NVM.
2. Check Spinner Counter, Encoder and Index clocks.
3. Delay additional 3 seconds.
4. Check that Min, Max, Correlation factor are in range.
5. Repeat (1) - (4) for all usual speed levels.
6. Turn Spinner Off.

• Not included in the short batch, because of long running.

Ø CRI Lock

Checks the CRI PLL frequency which is locked on Spinner Encoder.

1. Turn Spinner at 24000 rpm.
2. Check PLL_CK signal at 18, 20, 22 MHz.

Ø Str Pll Lock

Checks the STROBE5 PLL feedback by loading it with different values.

Ø Cutter

Checks Cutter moving toward Right and Left direction (I2C).

1. Move Cutter to Left Position.
2. Move Cutter to Right Position.
3. Verify detector response.
4. Move Cutter to Left Position.
5. Verify detector response.

Ø Load Motor

Checks the Load motor.

1. Operate motor at forward direction.
2. Check the feedback voltage and current.
3. Operate motor at reverse direction.
4. Check the feedback voltage and current.
5. Check the motor current protection.

Ø Take Motor

Checks the Take motor.

1. Operate motor at forward direction.
2. Check the feedback voltage and current.
3. Operate motor at reverse direction.
4. Check the feedback voltage and current.
5. Check the motor current protection.
6. Check the Take motor encoder.

Ø Unld Casset.

Checks the Unloading Cassette.

1. Operate motor at forward direction.
2. Check the feedback voltage and current.
3. Operate motor at reverse direction.
4. Check the feedback voltage and current.
5. Check the motor current protection.
6. Turn the cassette to GRASP position.

Ø Punch

Checks the Punch mechanism by running sequence.

1. Detect all available punch's.
2. Operate them one by one.

• Use UTILITY-MECHANICS-PUNCH-Punch List for more abilities.

Ø Optics

Checks the Optics of the plotter.

Ø LDR

Checks the LDR board

Ø Laser Value

Checks the LDR feedback versus Laser Value

1. Find and check the laser diode operational region.
2. Check that LDR feedback is linear in this region.
3. Use UTILITY-OPTICS-Ldr Graph to see the graph

Please note that the test "Laser Value" fails when running diagnostic version 1.22.

The static optics can be considered to be good even with the appearnace of this failure.

Ø LDT

Checks the LDT board and dynamic optics.

Ø Stand Alone

Checks the LDT board stand alone

1. Operate LDT in DIAG mode (Amp=3) to get VCC spike.
2. During the spike read the light detector to be above 5v (500).
3. Wait 200 msec
4. Read the light detector again to be near zero.

• Spinner is not required.

Ø Nd Filter

Checks the Nd Filter ability to operate MAX_BEAM

1. Turn Spinner On 24000 rpm
2. Turn ND FILTER motor on
3. Find the maximum reading on LDT
4. Turn Spinner Off
5. Turn ND FILTER motor off

Ø Amp Select

Checks the AMP SELECT (0-2) gain (micro not finished yet)

Ø Ldt Graph

Checks the LDT feedback versus LASER VALUE input

1. Find the laser diode operational region
2. Turn Spinner on 24000 rpm
3. ND FILTER to MAX_BEAM
4. Check the LDT linear region

• Use UTILITIES-OPTICS-Ldt Graph to see the graph

Ø Ldt&Speed

Checks the LDT feedback versus LASER VALUE input

1. Find the laser diode operational region
2. Turn Spinner on 12000, 18000, 24000 rpm
3. ND FILTER to MAX_BEAM
4. Check the LDT detector for each spinner speed