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4. Blinking Inspection Display
2WAY SYSTEM
Trouble Diagnosis
6
Currently the blinking inspection display can be displayed only on the wired remote controller
and system remote controller.
Blinking inspection display (Automatic backup)
Alarm code (Blinking inspection display)
Alarm meaning Automatic backup is in progress. A/C units can be operated.
Status: The compressor at one of the outdoor units where the outdoor unit fan is running should
be operating.
Alarm conditions When alarm H01, H03, H05, H07, H08, H11, H13, H15, H21, H27, H31, P03, P16, P17, P19,
P22, P24, P26, P29, F04 ~ F08, F12 ~ F24 has occurred, correcting the control device (remote
controller, etc.) input engages this mode. See the Section2.
Probable cause Because alarm H01, H03, H05, H07, H08, H11, H13, H15, H21, H27, H31, P03, P16, P17, P19,
P22, P24, P26, P29, F04 ~ F08, F12 ~ F24 has occurred, check the alarm history then see the
corresponding items.
Correction Follow the instructions in the corresponding items to correct the trouble.
Recovery After repairing the malfunctioning locations, reset the power for the system (all outdoor units).
Caution: Automatic backup mode will not be canceled until the power is reset.
Notes Automatic backup mode is not engaged in cases of alarms other than those listed above.
Reasons: •Thereisnoneedforautomaticbackupifrecoveryispossiblebycorrectingthe
remote controller input.
•Withalarmsforwhichautomaticrecoveryispossible(suchassensoralarms),the
presence of electrical noise may result in a new alarm. However, it is believed that
this occurs for a comparatively short time only. In these cases, a mode (automatic
backup mode) that limits operation may be engaged.
•Controlisnotpossiblewhenacommunicationssystemalarmhasoccurred.
Automatic backup mode is not engaged in order to avoid causing secondary damage.
CAUTION
SM830253-00_欧州2way7_SM-TRSM.indb 26 16/08/02 14:02:52
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