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Solar Mower
Workshop Manual
101 88 90-26
Eng-SOL VERK front 1 98-01-15, 10.06
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LIST OF CONTENTS List of Contents WARNING! This tool can be dangerous if used incor- Safety instructions rectly. ! User safety .......................................................................... 2 Warnings and safety instructions in this Tool safety ........................................................................... 2 Workshop Manual must be followed carefully Working safety ..................................................................... 2 for the tool to be used safely and
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SAFETY INSTRUCTIONS User safety Working safety • Read carefully through this Workshop Manual to understand all the repair directions. WARNING! Always switch off the lawn mower using the power switch before inspecting, • Check that there are no stones, twigs, tools or other objects, cleaning or carrying out repairs. ! which can damage the blades, on the lawn to be used as a test surface. • Never move the lawn mower with the rear panels folded down. Switch off the lawn mower using the power switch
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TECHNICAL DATA Technical data Batteries NiCd Cutting system Cutting disc with three flexible blades Wheels Front wheels with stainless steel bearings Height control Variable, 30 - 60 mm Weight 6.5 kg Length/Width/Height 105cm/63cm/22cm 2 Working capacity 1200 m +- 20% 3 2 1 What is what? 1. Front solar panel 7 2. Rear solar panel 3. Hinge 4. Bumper 5 4 5. Front wheels 6. Cutting disc 7. Drive wheel 8 10 8. Handle and rear panel support 9 9. Moisture sensor 10. Electronic controller with micropro
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TROUBLE SHOOTING General trouble shooting tips Solar panels The dealer should have a test lawn of a least 5 x 5 m, sur- A number of solar panels connected together transform daylight rounded by a loop cable and generator. This test lawn can be into electrical energy. This electrical energy drives the lawn used in those cases where the customer has a problem with mower and charges the batteries. the lawn mower not detecting signals from the loop cable. Thereby making it possible to determine wh
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TROUBLE SHOOTING The panel can still work despite one of the segments being Motor and cutting disc damaged, but then gives a lower capacity. This can mean that A 12V AC motor with controlled speed (max 2500 r/min) is used the machine frequently stands still and charges, even on very as the cutting motor. The cables from the motor are connected sunny days. Or the lawn mower can stand still and beep once to connector X1 on the terminals 1-5 on the circuitboard in the every 10 seconds, which is the
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TROUBLE SHOOTING Drive motors Two, 12 V DC motors with reversible direction of rotation are used to drive the lawn mower forwards. The two drive motors can rotate in different directions at the same time to give the lawn mower a tight turning circle and increase manoeuvrability. A gearbox is engaged after the drive motors to give the lawn mower increased traction. The speed is registered by a tachom- eter which is connected to the motors. The speed of the motors is then governed by the microproc
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TROUBLE SHOOTING Microswitches (Collision detectors) Cables The front panel’s rear edge is suspended in two, spring-loaded The cables are used to connect all the electrical components on aluminium levers. the lawn mower that concern, propulsion, charging, communica- These levers in turn activate two microswitches which are tion and mowing. integrated in the “housings“ (see the diagram below) that connect the front panel with the box. When checking whether a cable break has occurred all connec- t
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TROUBLE SHOOTING If the loop cable is correctly connected a signal should be given Keyboard when the momentary switch on the generator makes. If the The keyboard is used to deactivate the theft alarm and to enter generator does not give a signal, start by bridging the generator the security code and to change limit values for a number of the using a piece of cable and make the generator's switch again. If lawn mower’s parameters. a signal is now heard then the loop cable is not correctly connect
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TROUBLE SHOOTING Main power switch Circuitboard with CPU The main power switch ensures that the lawn mower does not start when it is switched off. The code must be entered in the The circuitboard together with the CPU (microprocessor) are lawn mower every time the main power switch has been the lawn mower’s “brain“ and handle all functions, commands switched off, even some commands are reset (see the Opera- and path selections the lawn mower decides on, based on the tor's Manual). Note that the
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TROUBLE SHOOTING Start-up sequence Charge 60 min Switch in "off" position. No sound Switch on the power switch Battery level too low. Long beep The batteries have enough power to run the electronics. Wait 1 minute and then enter the code A short beep should be heard when pressing every button. Code not accepted A long beep when pressing "B" indi- cates that the mower has not registered the code, but will run for 2 minutes and then stop, probably signalling "no code" (2 beeps/second). 2 beeps / 1
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TROUBLE SHOOTING Trouble shooting chart Observation Possible cause Action 3 beep/second The lawn mower does not sense the Check that the cable is not broken (by signal from the loop. using the operating test on the generator). Check the sensor, wipe off any grass or moisture on the cable connections. Ensure the cover is fitted. If the problem frequently recurs cut off the unused pin and insulate using silicon (see service notice tab 5, 96.018). Measure the current in the loop cable. There is a r
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TROUBLE SHOOTING The lawn mower The signal from the loop is not strong Check the sensor, wipe off any grass or escapes. enough. moisture on the cable connections. Ensure the cover is fitted. If the problem frequently recurs cut off the unused lug and insulate using silicon (see service notice tab 5, 96.018). Measure the current in the loop cable. There is a risk that the electromagnetic field is too weak with values under 7 mA AC. If this occurs in isolated areas it can be Try moving the loop ca
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CIRCUIT DIAGRAM English – 13 Eng-SOL VERK 13 98-01-15, 10.07 Magnetic switch Red Front body Red Black Red Black Rear body Black Cutting motor
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