
(a)Units with
Units with
(b)Units with
Units with
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| Alarms and messages |
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Message | Cause | Reset | Terminals | Base plate yellow LED | Alarm buzzer and relay | |
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E1 | Probe B1 | Automatic | B1 - GND |
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E2 | Probe B2 | Automatic | B2 - GND |
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| Flashing fast | Activated | |
E3 | Probe B3 | Automatic | B3 - GND | |||
(2 flashes per sec.) | ||||||
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E4 | Probe B4 | Automatic | B4 - GND |
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E5 | Probe B5 | Automatic | B5 - GND |
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EE | EEPROM failure | Automatic |
| Normal flashing | Deactivated | |
| (1 flash x sec.) | |||||
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FL | Flow switch | Automatic | ID5 - IDCOM |
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H1 | High pressure circuit 1 | Manual | ID1 - IDCOM |
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L1 | Low pressure circuit 1 | Manual | ID2 - IDCOM |
| Activated | |
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| Flashing fast | ||
C1 | Compressor 1 thermal protector or | Manual | ID3 - IDCOM | |||
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fan 1 thermal protector (YLCC) |
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F1 | Fan 1 thermal protector | Manual | ID4 - IDCOM |
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A1 | Antifreeze | Manual |
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d1 | Defrost circuit 1 | Automatic |
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| Normal flashing | Desactivated | |
r1 | Defrost failure circuit 1 | Automatic |
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n1 | Maintenance compressor 1 | Manual |
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H2 | High pressure circuit 2 | Manual | ID8 - IDCOM |
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L2 | Low pressure circuit 2 | Manual | ID9 - IDCOM |
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C2 | Compressor 2 thermal protector or | Manual | ID10 - IDCOM | Flashing fast | Activated | |
fan 2 thermal protector (YLCC) | ||||||
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F2 | Fan 2 thermal protector | Manual | ID11 - IDCOM |
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A2 | Antifreeze 2 | Manual |
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d2 | Defrost circuit 2 | Automatic |
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r2 | Defrost failure circuit 2 | Automatic |
| Flashing fast | Deactivated | |
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n2 | Maintenance compressor 2 | Manual |
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Cn | Communication error | Automatic |
| Cn flashing |
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