How to Access the Service Menu: Excavator Monitor Passwords & Entry Methods
When an excavator breaks down, the monitor will often display a warning light or a specific fault code. But what if the machine is acting up without showing any errors? In these cases, accessing the hidden Service Menu (or maintenance mode) is essential for running deep-level diagnostics.
Below is a quick-reference guide on how to enter the computer monitoring system for several popular excavator brands.
⚠️ Disclaimer: Manufacturers frequently update their software. The methods below are for reference only and may vary depending on your machine's specific model and software version.
🏗️ KOBELCO
Entry Method:
- Ensure the excavator is powered off.
- Press and hold the buzzer stop switch.
- While holding the button, turn the ignition key to the ON position.
🏗️ KOMATSU
Entry Method:
Press and hold the Up Arrow button (or the 4 key), and while holding it, sequentially press the 1, 2, and 3 keys.
🏗️ HITACHI
Entry Method:
- Ensure the excavator is powered off.
- Press and hold the SET button.
- While holding the SET button, turn the ignition key to the ON position.
🏗️ SUMITOMO
Entry Method:
Turn the ignition key to the ON position. Press and hold both the Travel Mode and Work Mode switches simultaneously for 3 seconds. The screen will then enter the service mode.
🏗️ CATERPILLAR(CAT)
Entry Method:
Navigate to the main menu on the monitor and enter the service password: FFF2
🏗️ SANY
Entry Method:
Access the menu bar on the display and enter the password. The most common universal password is: 31868
🏗️ VOLVO
Entry Method:
Navigate to the Service Menu and long-press the OK (Confirm) button to enter the maintenance mode.
