Hitachi PC-ARF Technical Catalogue page 167

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Table of Contents

4 Individual remote controls

Abnormal operation occurrence counter

Indoor unit instantaneous power failure occurrence counter.

Remote control to indoor unit transmission error occurrence counter.

Abnormal inverter operation occurrence counter.

- Counts up to 99.

- For counts above "99", it will always read "99".

If a transmission error lasts for more than 3 minutes, one occurrence is added to the counter.

Stored data can be deleted by following the instructions given in section "PCB self-checking procedure using the remote control".

Swing louver sensor.

- 00 : Normal

- FF : Abnormal.

Discharge pressure (high) (x 0.1 MPa).

Suction pressure (low) (x 0.01 MPa).

Control information:

Indicates internal remote control information. It has no specific meaning.

Operating frequency (Hz):

The total frequency is indicated when several compressors are running at once.

TCGB0106 rev.0 - 12/2014

Abnormal operation occurrence counter

Indication of automatic swing louver status

Compressor pressure/frequency indicator

Troubleshooting