Mitsubishi Electric F700 Instruction Manual page 106

Operation Panel
Indication
Name
Communication error (inverter)
This function stops the inverter output when communication error occurs consecutively for more than
permissible retry count when a value other than "9999" is set in Pr. 335 RS-485 communication retry count
Description
during RS-485 communication from the RS-485 terminals. This function also stops the inverter output if
communication is broken for the period of time set in Pr. 336 RS-485 communication check time interval.
Check point
Check the RS-485 terminal wiring.
Corrective action Perform wiring of the RS-485 terminals properly.
Operation Panel
Indication
Name
Analog input error
Appears when 30mA or more is input or a voltage (7.5V or more) is input with the terminal 2/4 set to
Description
current input.
Check the setting of Pr. 73 Analog input selection and Pr. 267 Terminal 4 input selection. (Refer to
Check point
Instruction Manual (applied).)
Either give a frequency command by current input or set Pr. 73 Analog input selection or Pr. 267 Terminal
Corrective action
4 input selection to voltage input.
Operation Panel
Indication
Name
Internal circuit error
Description
Appears when an internal circuit error occurred.
Corrective action Please contact your sales representative.
CAUTION
• If protective functions of E.ILF, E.PTC, E.PE2, E.CDO, E.IOH, E.SER, E.AIE are activated when using the FR-PU04, "Fault 14"
appears.
Also when the alarm history is checked on the FR-PU04, the display is "E.14".
• If alarms other than the above appear, contact your sales representative.
REMARKS
For the 01800 or more, you can set Pr. 75 to disable reset operation until the thermal cumulative amount reaches 0 when a
thermal trip (THM, THT) or an overcurrent trip (OC1 to OC3) occurs consecutively twice. (Refer to
(applied).)
E.SER
E.AIE
E.13
Causes and corrective actions
FR-PU04 Fault 14
FR-PU07 VFD Comm error
FR-PU04 Fault 14
FR-PU07 Analog in error
FR-PU04
Fault 13
FR-PU07
Indtruction Manual
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