3.4 ELECTRONIC MONITORING AND CONTROL SYSTEM ECS OPERATION Fault No. 968: (971) $h: Pilot pressure X2 too low. Help: - Check / adjust pressure relief valve. Fault No. 974: (977) $h: Pilot pressure X2 too high Help: - Check / adjust pressure relief valve. Fault No. 980: (983) $h: Swing gear house brake OFF Help: - Check solenoid valve Y5. - Check pressure switch B16. Fault No. 986 (989) $h: Travel gear house brake OFF Help: - Check solenoid valve Y16. - Check pressure switch B48. Fault No. 992: (995) $h: Travel gear house brake ON Help: - Check solenoid valve Y16. - Check pressure switch B48. Fault No. 998: (1001) $h: Faulty monitor channel for onboard mains tension Help:
The mains tension is beyond the permissible limits. - Check monitor channel. Fault No. 1004: (1007) $h: Board net voltage too high Help: - Check generator and regulator. Fault No. 1010: (1013) $h: Board net voltage too low Help: - Check batteries - Check generator. 170