Group 04: Fault History - Daikin MD5 Operation Manual

Variable frequency drive controller

Hide thumbs

Table Of Contents

Table of Contents

Group 04: Fault History

This group stores a recent history of the faults reported by the drive .

Table 7: Group 04: Fault History

Code

Description

0401

LAST FAULT

0 – Clear the fault history (on panel = NO RECORD) .

n – Fault code of the last recorded fault . The fault code is displayed as a name . See section Fault listing on page 1-282 for the fault codes and names . The

fault name shown for this parameter may be shorter than the corresponding name in the fault listing, which shows the names as they are shown in the fault

display .

0402

FAULT TIME 1

The day on which the last fault occurred . Either as:

• A date – if real time clock is operating .

• The number of days after power on – if real time clock is not used, or was not set .

0403

FAULT TIME 2

The time at which the last fault occurred . Either as:

• Real time, in format hh:mm:ss – if real time clock is operating .

• The time since power on (minus the whole days reported in 0402), in format hh:mm:ss – if real time clock is not used, or was not set .

• Format on the Basic Control Panel: The time since power on in 2-second ticks (minus the whole days reported in 0402) . 30 ticks = 60 seconds . E .g . Value

514 equals 17 minutes and 8 seconds (= 514/30) .

0404

SPEED AT FLT

The motor speed (rpm) at the time the last fault occurred .

0405

FREQ AT FLT

The frequency (Hz) at the time the last fault occurred .

0406

VOLTAGE AT FLT

The DC bus voltage (V) at the time the last fault occurred .

0407

CURRENT AT FLT