Brand：Topvelsun
Weight：1.2 kg
Warranty：6 Month
Operating Voltage: DC 24V
Interchangeable P/N: LP22E00039F4, LP22E00039F6, TCO-60-4-B123J3
Application：Kobelco SK-8 Series (SK130-8, SK140-8, SK135SR)
Product Description
The LP22E00016F3 and LP22E00016F4 Hydraulic PVC (Pump Valve Controller) are critical "Mechatro" control units widely used in Kobelco SK130-8 and SK140-8 excavators. Acting as the main brain of the hydraulic system, this computer board regulates main pump flow, proportional solenoid valves, and communicates directly with the engine ECU via the CAN bus network. Common symptoms of a failing Mechatro controller include sluggish hydraulic response, the machine defaulting to "backup mode," and communication errors on the monitor panel.
Hardware Interchangeability: 100% globally interchangeable between part numbers LP22E00016F3, LP22E00016F4, and LP22E00039F4. The "F3/F4" suffixes denote minor factory software batch updates.
PWM Output Control: Built with heavy-duty MOSFET drivers to deliver stable Pulse Width Modulation (PWM) signals to the hydraulic pump proportional valves.
Plug-and-Play Installation: Pre-programmed with standard Kobelco SK130-8 / SK140-8 operational software. No specialized dealer flashing is required before installation.
Durability: Housed in a robust, vibration-resistant aluminum casing, internally potted to prevent moisture and dust ingress, meeting strict IP65 engineering standards.
According to the Topvelsun technical department's diagnostic data, if your Kobelco excavator is experiencing erratic behavior, check for the following Mechatro controller failure symptoms before ordering a replacement:
| Failure Symptom | Diagnostic Meaning & Troubleshooting Steps |
|---|---|
| Stuck in "Backup / Limp Mode" | If the PVC board completely fails, the excavator defaults to a mechanical backup mode. The hydraulic pump swash plate cannot adjust dynamically to engine loads, resulting in extremely slow boom/bucket movements or the engine stalling under heavy load. |
| Mechatro Comm Error | The monitor displays a CAN bus communication error. Verify the 24V power supply and check the main PVC relay (R-34 Relay). If the wiring harness is intact but communication is lost, the controller's internal processor is fried. |
| Erratic Proportional Valve Action | If a single hydraulic function is jerky, the controller's internal PWM driver may be damaged. Note: A short-circuited proportional valve on the hydraulic pump can burn out a new controller. Always test valve resistance before installing the new board. |
Q: Do I need a mechanic to program the LP22E00016F3 controller?
A: No. Our aftermarket controllers come pre-flashed with the correct SK130-8 and SK140-8 software. You simply plug it in, clear any old fault codes from the monitor, and start digging.
Q: What causes the Mechatro PVC controller to burn out?
A: The most common causes are severe voltage spikes from a faulty alternator, welding on the excavator without disconnecting the battery, or a short-circuited wiring harness rubbing against the metal frame.
Q: Is LP22E00039F4 the same as LP22E00016F4?
A: Yes, they are compatible crossover numbers used by Kobelco across different global sales regions for the SK-8 series 13-14 ton class machines.
Tel.: +86 20 3203 3683
Mobile: +86 13129352980 or 13826060208
E-mail: VLS09@topvelsun.com
Address: SHOP 101,BUILDING A,NO.141,ZHUCUN EAST RING ROAD,TIANHE DISTRICT,GUANGZHOU
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E-mail: VLS09@topvelsun.com
