Monarch nice3000 User Manual

11 Inspection and Mainetenance NICE3000
new
User Manual
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11
●
Clear the oil dirt from the cooling fan of the controller.
More frequent inspection will be required if it is used in harsh environments, such as:
●
High ambient temperature
●
Frequent starting and stopping
●
Fluctuations in the AC power supply or load
●
Excessive vibrations or shock
●
Dust, metal dust, salt, sulfuric acid, chlorine atmospheres
●
Poor storage conditions
Check the following items periodically to avoid deterioration in performance or product failure. Copy this
checklist and sign the "checked" column after each inspection.
Inspection Item Inspection Points Correction Checked
General
Check for wastes, dirt and dust on the
surface of the controller.
● Conrm that the cabinet is
powered off.
● Use a vacuum cleaner
(rather than directly touch
components) to suck up
wastes and dust.
● Wipe the surface dirt difcult
to clean with alcohol and wait
until the surface becomes
dry.
Cables
● Check whether the power cables and
connections discolor.
● Check whether the insulation layer is
aged or wears.
● Replace the cracked cable.
● Replace the damaged
terminals.
Peripheral
devices such as
electromagnetic
contactor
● Check whether the contactor is in poor
contact or whether abnormal noise
exists for its operation.
● Check whether short circuit, water
seepage, swelling or cracking occurs
on any peripheral device.
Replace the abnormal peripheral
device.
Air lter
● Check whether the air lter and
heatsink are clogged.
● Check whether the fan is damaged.
● Clean the air lter.
● Replace the fan.
Control circuit
● Check whether the control components
are in poor contact.
● Check whether terminal screws are
loose.
● Check whether insulation of control
cables is cracked.
● Clear away the foreign
matters on the surface of
control cables and terminals.
● Replace the damaged or
corroded control cables.
Before measuring the insulating resistance with megameter (500 VDC megameter recommended),
disconnect the main circuit cables from the controller.
Do not use the insulating resistance meter to test the insulation of the control circuit. The high voltage test

Monarch nice3000 Specifications

General

Brand	Monarch
Model	nice3000
Category	Controller
Language	English