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Summary of Contents for GreenWorks PRO Optimow 25
- Page 1 Greenworks PRO Optimow 25/25H & 50/50H Greenworks Commercial Optimow 33/33H & 66/66H SERVICE MANUAL GREENWORKSTOOLS.COM GREENWORKSCOMMERCIAL.COM 2021-03-18...
- Page 2 The following pages contain important safety and operating instructions Carefully read and review all safety instructions, warnings and cautions contained in this manual. Failure to read and follow these instructions, warnings and cautionary statements may result in severe injury or death to persons and pets or damage to personal property.
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Page 3: Table Of Contents
Contents 1. Service checklist ................. 4 4.11. Replacing the communication board ........20 2. Advanced troubleshooting ..............5 4.12. Replacing the collision sensor assy ........20 2.1. Fault codes ................5 4.13. Replacing the main board ............21 2.2. Symptoms ................10 4.14. -
Page 4: Service Checklist
Service checklist Table 1 contains a checklist of actions to be taken during a yearly mower service. Table 1. Yearly service checklist Action Explanation Remove the body. Clean chassis and body. See the Operator Manual. Inspect the suspension bellows. Check that all four suspension bellows are clean and have normal movement (compare with each other. -
Page 5: Advanced Troubleshooting
Advanced troubleshooting 2.1. FAULT CODES Troubleshooting is performed as explained in Table 2 with one or more possible causes of the problem, followed by one or more corrective Table 2 lists all the fault codes that can occur in the mower with the actions, based on fault codes, symptoms, and LED indicators. - Page 6 Code Message Cause Action Rear lift sensor defect or Rear lift sensor defect or mower lifted 1. Press Stop then Start, and check if it solves the mower lifted when starting. when starting mower. problem. 2. Take off the robot's upper cover and make sure it's attached in a correct way.
- Page 7 Code Message Cause Action No communication with GNSS- No communication with GNSS-module. 1. Replace the communication board. module. 2. If problem still remains change mainboard. Weak GNSS signal. Weak GNSS signal for most of the time. 1. If this is a recurring error change communication board.
- Page 8 Code Message Cause Action Cutting motor defective. Error reported by motor driver. 1. Make sure motor is not blocked. 2. If problem still remains replace the motor. 3. If problem still remains change main board. Cutting motor overloaded. High average motor current. 1.
- Page 9 Code Message Cause Action Stuck in Charging station. Mower has tried to leave CS, but can 1. Make sure the charging station is installed in an still detect charging power. even level. 2. Make sure rear wheels and charging station base are clean and has traction.
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Page 10: Symptoms
2.2. SYMPTOMS Table 3 lists the most commonly occurring symptoms grouped by the following situations where they occur most often (mowing, docking, and charging). Table 3: Symptoms and corrective actions Symptom Cause Action Mowing Uneven mowing results The mower works too few hours per day. Increase the working hours in the app. - Page 11 Symptom Cause Action The mower never leaves the The PARK mode is activated. Press Resume in the app. charging station. Scheduling settings are preventing the mower Check the Scheduling settings in the app. Also from leaving the charging station. check that the clock shows the current time. The mower never becomes fully charged.
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Page 12: Interpreting Led Indicators
2.3. INTERPRETING LED INDICATORS Table 4. Indicator LEDs on mower Color Status Meaning Action Operating Start button pressed. No action required. (Green) Safety key is in Disabled No action required. position, mower stopped with STOP button or robot is in error state or alarm state. -
Page 13: Finding A Break In The Boundary Loop
2.4. FINDING A BREAK IN THE BOUNDARY LOOP If a guide wire is used, a break in the boundary loop wire can be found as follows: Connect the charging station to the power supply. Switch the left ( ) boundary loop connector and the guide wire (G) connector. -
Page 14: Fasteners
Fasteners The mower and charging station have only four types of fasteners as To prevent damaging the threads in plastic components, insert the listed in Table 6. screw fastener in the threaded hole and carefully turn the screw counter-clockwise until it engages the existing threads in the Note: It is not recommended to use a power screwdriver since plastic. -
Page 15: Repairing The Mower
Repairing the mower Note: Use only original replacement parts. 4.1.1 REPLACEABLE COMPONENTS - MOWER AND CHARGING STATION – REGULAR CUT Body rear assy Lift sensor assy Inner START/STOP button Wheel motor assy Suspension assy Front wheel assy Blade disc Collision sensor assy Cutting blades Communication board Main board... -
Page 16: High Cut
Note: Use only original replacement parts. 4.1. REPLACEABLE COMPONENTS - MOWER AND CHARGING STATION – HIGH CUT Body rear assy Lift sensor assy Inner START/STOP button Wheel motor assy Suspension assy Front wheel assy Blade disc Collision sensor assy Cutting blades Communication board Main board Battery... -
Page 17: Main Board Connections
4.2. MAIN BOARD CONNECTIONS Note: If the magnet falls out, reinsert it into the chassis with dot/line (or marking) visible. Right wheel motor assy connection Charging connector assy connection Battery connection Communication board connection Cutting motor assy connection Left wheel motor assy connection Fit the new body rear assy on the two tabs. -
Page 18: Replacing The Blade Disc
4.6. REPLACING THE BLADE DISC 4.8. REPLACING THE INNER START/STOP BUTTON ASSY Disassemble the body (see section 4.3). Disassemble the body (see section 4.3). Turn the mower upside down and unscrew the three type 4 fasteners that secure the blade disc to the lower chassis. Put the START/STOP button in the stop position. -
Page 19: Replacing The Front Wheel Assy
4.10. DISASSEMBLING THE CHASSIS 4.9. REPLACING THE FRONT WHEEL ASSY Disassemble the body (see section 4.3). Disassemble the body (see section 4.3). Remove the rubber cap. Remove the battery (see section 4.18). Remove the height adjustment knob. Remove the type 6 fastener that secures the front wheel axle to the chassis. -
Page 20: Replacing The Communication Board
4.11. REPLACING THE COMMUNICATION BOARD 4.12. REPLACING THE COLLISION SENSOR ASSY Disassemble the body (see section 4.3). Disassemble the body (see section 4.3). Disassemble the chassis (see section 4.10). Disassemble the chassis (see section 4.10). Turn the upper chassis upside down. Turn the upper chassis upside down. -
Page 21: Replacing The Main Board
4.13. REPLACING THE MAIN BOARD 4.14. REPLACING THE LIFT SENSOR ASSY Disassemble the body (see section 4.3). Disassemble the body (see section 4.3). Disassemble the chassis (see section 4.10). Disassemble the chassis (see section 4.10). Disconnect all cables from the main board (pressing the connector Disconnect the lift sensor cable from the main board. -
Page 22: Replacing The Loop Sensor Assy
4.15. REPLACING THE LOOP SENSOR ASSY 4.16. REPLACING THE CUTTING MOTOR ASSY Disassemble the body (see section 4.3). Disassemble the body (see section 4.3). Disassemble the chassis (see section 4.10). Disassemble the chassis (see section 4.10). Disconnect the loop sensor cable from the main board. Turn the mower upside down and unscrew the three type 3 fasteners that secure the blade disc to the lower chassis. -
Page 23: Replacing The Wheel Motor Assy
4.17. REPLACING THE WHEEL MOTOR ASSY Remove the old height adjustment housing sealing strip and discard it. Disassemble the body (see section 4.3). Disassemble the chassis (see section 4.10). Disconnect the wheel motor cable from the main board. Remove the hub cap using a slotted screwdriver. Unscrew the three type 4 fasteners that secure the wheel and remove the wheel. -
Page 24: Replacing The Charging Connector Assy - High Cut
Note: Remove the old silicone and add new silicone on the 4.19. REPLACING THE BATTERY cable glands. Disassemble the body (see section 4.3). Turn the mower upside down and unscrew four type 1 fasteners that secure the battery cover to the lower chassis. Connect the charging connector cable to the main board. -
Page 25: Assembling The Chassis
4.20. ASSEMBLING THE CHASSIS Insert 19 type 1 fasteners and tighten cross-wise to the correct torque (see section 3). Note: Make sure parts are clean and that no cables will be pinched. Snap the height scale plate onto the upper chassis. Note: Always use new sealing strips before reassembling the Snap the height adjustment knob onto the height adjustment nut. -
Page 26: Repairing The Charging Station
Repairing the charging station 5.1. DISASSEMBLING THE CHARGING STATION Disconnect the power supply. Remove the charging station hood from the charging station by pressing in the tabs on each side of the charging tower base and lifting away the hood. Fit the new charging station board into the slots in the charging tower. -
Page 27: Replacing The Charging Station Plate
5.4. REPLACING CHARGING STATION PLATE Guide the charging station plate cable of the new charging station plate in through the tunnel in the charging tower. Disassemble the charging station (see section 5.1). Insert four type 1 fasteners and tighten to the correct torque (see Turn the charging station upside down. - Page 28 DISTRIBUTOR INFO GREENWORKSTOOLS.COM GREENWORKSCOMMERCIAL.COM...
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Is there a replacement battery for the 25H Optimow robotic mower
Yes, a replacement battery is available for the GreenWorks PRO Optimow 25H robotic mower. The manual specifies to "replace battery to an original battery," indicating that only original GreenWorks batteries should be used for replacement.
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