10 - Fault finding / alarms
Use the Fault Finding Guide on the right as follows:
Begin with "START" and follow the arrows marked both "YES" and 'NO' according to the type of fault.
The guide uses the following abbreviations:
Control of the HIR32 series
When an alarm occurs, the buzzer and the display indication can be reset manually pressing the key PRG/mute. For the alarm code the reset is active only if the alarm cause has been removed. The reset for the alarm contact is automatic. The reset of the adjuster operation occurs auto matically when the alarm cause is removed.
For better information see the HIR32 manual.
Microface control
The alarms, shown in the guide, are reset as in
Fig. f.
Fig. c - How to reset an alarm |
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| ALARM ON |
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| (alarm LED |
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| + buzzer on) |
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| read alarm | START | |
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| message |
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| on display |
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| press RESET |
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| (mutes siren) | not rectified | |
press REPORT: | No | do you know | ||
verify which alarm | which alarm | fault | ||
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| has intervened? | |||
has intervened |
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| Yes |
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| rectify problem | replace | |
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| HIROMATIC/ | ||
press HOME |
| using Fault | MICROFACE | |
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| Finding Guide |
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| No | |
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| is normal | |
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| operation | |
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| press RESET | restored? | |
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| Yes | |
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| fault rectified | continue | |
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| normal | ||
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| operation | |
return to
normal operation (alarm LED off)
NOTES:
If several alarms intervene in sequence, only the last to inter vene is displayed.
The STATUS REPORT lists all recent alarms (see Hiromatic/ Microface manual).
For further information see the Hiromatic manual.
check fan
operation plus electrical circuit
check for high air temperature or low air flow
switch manual operation off
reset conditioner
model
replace interface board
replace
EPROM
switch unit main switch off and then on
replace sensor
verify state
of component:
continue if
everything is ok
| No | |
Yes | air flow | |
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| lack | |
| No | |
Yes | electric | |
| heater | |
| overheating | |
| No | |
Yes | unit operating | |
in manual | ||
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| Yes |
correct condi No tioner model on
Hiromatic/
Microface
No
is unit
operating correctly?
No
Yes faulty interface
card
| No |
Yes | EPROM error |
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| No |
Yes | display board |
| failure |
| No |
Yes | RAM/EPROM |
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| error |
| No |
Yes | sensor |
| failure alarms |
| No |
Yes working hour alarms
English | page 10 | 272014 - 04.02.2000 |
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