Olmo OSH-T12HRK2 Owner's Manual page 12

Error Codes
Number
In-outdoor unit communication checking channel is
1
abnormal
2 Room temperature sensor checking channel is abnormal
3 Evaporator sensor malfunction
4 Condenser sensor malfunction
5 Water pump temperature sensor
6 Outdoor malfunction
7 EEPROM malfunction
Water level alarm malfunction
8
9 DC motor speed out of control
10 Outdoor unit low pressure malfunction
Refrigerant leak detection system malfunction
11
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Page 12
Cause Timer Error
Operation
indicator Code
indicator
E 1
Quick-flash
E2
Quick-flash
E3
Quick-flash
E4
E5
E6
Quick-flash Quick-flash
E7
Quick-flash Quick-flash
E8
Quick-flash
Quick-flash Quick-flash
EC
Quick-flash
Alarm
PRE-DEF
indicator
indicator
Quick-flash
Quick-flash
Quick-flash
Quick-flash Quick-flash
Quick-flash
Quick-flash
Quick-flash
Quick-flash