Routine Maintenance and Inspection
‑160‑
8.3.3 Replacing theElectrolytic Capacitor
● Possible damage causes: poor power supply, high ambient temperature, frequent
load jump, and electrolyte ageing.
● Signs of fan damage: cracks on the blade, unusual vibration noise upon start, and
abnormal operation of fan blades.
● Replacement: To protect related components, contact Inovance for replacement
of the filter capacitor.
8.3.4 Refilling and Replacing the Coolant
The coolant is applicable to T13 models only.
Refilling the coolant
The fault code A63 displayed on the operating panel of the AC drive indicates that the
coolant level is below the threshold. In this case, add coolant (coolant used in this
product is 45% ethylene glycol solution with a freezing point of ‑40°C) by following
the steps below:
1. Remove the two fixing screws
from the top cover at the front,
slide forward the protective
cover with two hands along the
guide for about 20 mm, and lift
it up to remove the protective
cover.
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