CIAT Ereba He Series, Instruction Manual

Page: 82 / 96

EREBA He
EN-82
Inverter error
Current Alarm
[P350] to [P354]
Past Alarm
[P360] to
[P364]
Description
Unit
Status
Reset type
Investigation / corrective actions
Automatic
Power cycle
Comment
231 76
Inverter Heatsink Temperature
too high
Cpr stop X Error becomes definite after retrying operation for
4 times.
1. Check heat sink airflow path.
- 78 Other Inverter Error Continue X
- 79 Unknowned Inverter Error Continue X
- 80
Real Time Clock Failure on NHC
board
Continue X
- 81
EEPROM corrupted on NHC
board
Continue X
127 82
Inverter EEPROM not readable
or EEPROM number out of
range
Stop X Only delay of communication.
- 90 General Invalid Configuration Stop X Automatic when configuration is correct
- 91 Wrong unit type Stop X Automatic when configuration is correct
- 92 Wrong unit size for this brand Stop X Automatic when configuration is correct
- 93 Wrong supply type Stop X Automatic when configuration is correct
- 94 Wrong mounting type Stop X Automatic when configuration is correct
- 95
Wrong CDU capacity from
Inverter
Stop X Automatic when configuration is correct
- 96 Wrong hydraulic configuration Stop X Automatic when configuration is correct
Check that Par.804 = 0 ”No Pump” or Par.804
= 2 ”Variable Speed Pump” is selected.”
- 97
Wrong compressor map
selection
Stop X Automatic when configuration is correct
- 98
Wrong configuration in Master
/ Slave (DHW, Pool Heating or
Split configured)
Stop X Automatic when configuration is correct
- 99
Wrong addressing in Master /
Slave (unit as Master, but not
address for slaves)
Stop X Automatic when configuration is correct
- 100 Emergency stop Stop X Automatic when [P055] is reset
- 200 External Alarm Continue X When contact is closed
6 - ALARM DESCRIPTION