EN-79
EREBA He
6 - ALARM DESCRIPTION
6.1 - Inverter board alarm codes
(only for 11-15 kW 1Ph or 3Ph units)
The latest error displayed can be confirmed
by lighting LED D800 to D804 on the outdoor
control P.C. board :
a) When all SW803 switches are turned
OFF, the status of current error is
displayed.
b) If only SW0803 switch #1 is turned ON,
the previous error is displayed.
c)
If there is an error, any of
LED D800 to D804 goes on.
(Display 1)
d) When pushing the pushdown button
switch SW800 for approx. 1 second, the
display is exchanged. (Display 2)
e) When pushing SW800 again or after 2
minutes, the status returns to Display 1
ON
1
ON
2
3
4
2
3
4
Present
error
SW803
1
Legend :
D800 (Yellow)
D801 (Yellow)
D802 (Yellow)
D803 (Yellow)
D804 (Yellow)
D805 (Green)
Previous
error
SW803
Go off
Go on
Flash
Display 1
(Initial display)
Display 2
(SW800 operation)
Error contents
Normal
Discharge temp. sensor (TD) error
Heat exchanger temp. sensor (TE) error
Heat exchanger temp. sensor (TL) error
Outside temp. sensor (TO) error
Suction temp. sensor (TS) error
Heat sink temp. sensor (TH) error
Heat exchanger sensor (TE, TS) miswiring
EEPROM error
Compressor break down
Compressor lock
Current detection circuit error
Case thermostat operation
Model unset
Communication error between MCU
Other error (Compressor disorder, etc.)
Discharge temp. error
Power supply error
Heat sink overheat error
Gas leak detection
4-way valve reverse error
High pressure protective operation
Fan system error
Short-circuit of compressor or drive element
Position detection circuit error
Summary of Contents for Ereba He Series
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