Sanyo MDF-U500VX - Alarm Functions; Alarm Indications and Behavior

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<Examples of alarm indication>
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E r r o r 1 1 C o o l i n g c i r c u i t ‘ A ‘ a
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E r r o r 1 4 F a n m o t o r ‘ B ‘ a b n o r
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㧙㧤㧜
࡮Temperature alarm buzzer㧔intermittent tone㧕
The buzzer will sound intermittently when a high temp. alarm or a low temp. alarm occurs, assuming that
the alarm condition goes on for more than the preset delay for the alarm time.
Push alarm BUZZER key to stop the alarm.
The buzzer sounds again if an alarm is not resolved during the predetermined Ring Back time.
 Buzzer (intermittent tone) sounds and message is indicated if an alarm automatically returns.
 When an alarm returns automatically, press BUZZER key to eliminate the message indication and to
stop buzzer sounding.
࡮Power failure alarm buzzer (intermittent tone)
When a unit returns from power failure, the message of time power interruption is indicated and buzze
r
sounds intermittently.
Press BUZZER key to eliminate the message indication and to silence the buzzer.
࡮Door alarm buzzer㧔Intermittent tone㧕
Alarm will sound if the door is left open beyond the predetermined time setting for Door Delay.
It stops if the door is closed or BUZZER key is pressed.
Remote alarm contact does not activate.
࡮Fan lock alarm buzzer (Intermittent tone)
Alarm will sound and the message will appear on the display if either condensing fan motor A or B is
locked.
Safety function: If the unit detects a locked fan motor, the abnormal condensing fan motor stops and
the other fan motor continues operation.
Compressor is controlled as usual.
࡮Cooling circuit abnormal alarm buzzer (Intermittent tone)
Alarm will sound with an intermittent tone and the message will appear if A or B circuit is abnormal.
Safety function: Compressor is controlled as usual. Remote alarm contact activates.
3䋮Alarms
High temp. alarm Power failure alarm
Fan lock alarm Cooling circuit abnormal alarm
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