Dear Sir., OH error occurs in Toshiba Inverter VF S11 in the manual itself 4 points shown .By help of this we cant able to find the error & not able to rectify the error.Kindly help us. 9952426517 P Chinnusamy
Follows are the part of the manual
Possible causes
• The cooling fan does not rotate.
• The ambient temperature is too high.
• The vent is blocked up.
• A heat generating device is installed close to the inverter.
• The thermistor in the unit is broken.
Remedies
Restart the operation by resetting the
inverter after it has cooled down enough.
• The fan requires replacement if it does
not rotate during operation.
• Secure sufficient space around the
inverter.
• Do not place any heat generating device
near the inverter..
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