. OPERATION TROUBLES AND ACTIONS Machine Monitoring System Have the machine inspected immediately by your Komatsu distributor. Have the machine inspected immediately by your Komatsu distributor. (*): For details of handling the emergency pump drive switch and emergency boom swing operation/brake cancel switch, see "SWITCHES (PAGE 3-15)". 3 - 141 Electronic Control System If an error code appears on machine monitor display (1) (normally displays TIME), follow the countermeasure table for the self-diagnosis as shown below. Monitor display Error mode Countermeasure E02 Pump control system error If emergency pump drive switch is set to the ON position, operation can be carried out.
However, immediately have the system inspected by your Komatsu distributor. (*) Swing brake system error Boom swing system error Governor system error