Hitachi X200 Series Maintenance and Inspection, Monthly and Yearly Inspection Chart

Models: X200 Series

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69

Maintenance and Inspection

Monthly and Yearly Inspection Chart

 

 

 

Inspection

Inspection

 

Item Inspected

Check for…

Cycle

Criteria

Method

 

 

 

Month

Year

 

 

 

 

 

 

 

Ambient

Extreme

9

 

Thermometer,

Ambient temperature

 

environment

temperatures

 

hygrometer

between – 10 to 40°C,

 

 

& humidity

 

 

 

non-condensing

Overall

Major devices

Abnormal

9

 

Visual and aural

Stable environment for

 

noise & vib.

 

 

 

electronic controls

 

Power supply

Voltage

9

 

Digital volt meter,

200V class:

 

voltage

tolerance

 

 

measure between

200 to 240V 50/60 Hz

 

 

 

 

 

inverter terminals

400V class:

 

 

 

 

 

[L1], [L2], [L3]

380 to 460V 50/60 Hz

 

Ground

Adequate

 

9

Digital volt meter,

5 Mor greater

 

Insulation

resistance

 

 

GND to terminals

 

 

Mounting

No loose

 

9

Torque wrench

M3: 0.5 – 0.6 Nm

 

 

screws

 

 

 

M4: 0.98 – 1.3 Nm

 

 

 

 

 

 

M5: 1.5 – 2.0 Nm

 

Components

Overheating

 

9

Thermal trip

No trip events

 

 

 

 

 

events

 

 

Housing

Dirt, dust

 

9

Visual

No abnormalities

Main

Terminal block

Secure

 

9

Visual

No abnormalities

circuit

 

connections

 

 

 

 

Smoothing

Leaking,

9

 

Visual

No abnormalities

 

capacitors

swelling

 

 

 

 

 

Relay(s)

Chattering

 

9

Aural

Single click when

 

 

 

 

 

 

switching ON or OFF

 

Resistors

Cracks or

 

9

Visual

Check Ohms of optional

 

 

discoloring

 

 

 

braking res.

 

Cooling fan

Noise

9

 

Power down,

Rotation must be

 

 

 

 

 

manually rotate

smooth

 

 

Dust

9

 

Visual

Vacuum to clean

 

Overall

No odor,

 

9

Visual

No abnormalities

Control

 

discoloring,

 

 

 

 

 

corrosion

 

 

 

 

circuit

 

 

 

 

 

Capacitor

No leaks or

 

 

Visual

Undistorted appearance

 

 

deformation

 

 

 

 

Display

LEDs

Legibility

 

 

Visual

All LED segments work

 

 

 

 

 

 

 

Note 1: The life of a capacitor is affected by the ambient temperature. See “Capacitor Life Curve” on page 6–11.

Note 2: The inverter must be cleaned periodically. If dust accumulates on the fan and heat sink, it can cause overheating of the inverter.

Troubleshooting and Maintenance

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Hitachi X200 Series instruction manual Maintenance and Inspection, Monthly and Yearly Inspection Chart