Technibel PHIE 095, Service Manual

Page: 91 / 147

91
5-1 FRIGORIFIC CIRCUIT ALARMS
Managed by A3 board and partially by A2 board.
5.1.1 LIST OF ALARMS
Type Designation Code Action Reset (*)
Serial
communication
errors
&
Mis-setting
Maintenance
remocon detects
error signal from
A2 board
-Poor reception of the signal on the maintenance remocon
-Auto address not completed
E01 stop
Automatic
(then manual)
-Poor transmission of the signal on the maintenance
remocon
E02 stop
Automatic
(then manual)
A2 board detects
error signal from
remocon
-Poor reception of the signal on A2 board from the
maintenance remocon
E03 stop
Automatic
(then manual)
A2 board detects
error from A3
board
-Poor reception of the signal on A2 board from the A3
board
E04 stop
Automatic
(then manual)
-Poor transmission of the signal from A2 board to the A3
board
E05 stop
Automatic
(then manual)
A3 board detects
error from A2
board
-Poor reception of the signal on A3 board from the A2
board
E06 stop
Automatic
(then manual)
-Poor transmission of the signal from A3 board to A2 board E07 stop
Automatic
(then manual)
Automatic address
setting failed
-Incorrect capacity set in A2 board detected. Too low. E15 stop manual
-Incorrect capacity set in A2 board detected. Too high. E16 stop manual
-A2 board not detected during automatic address
sequence
E20 stop manual
Mis-wiring
-Mis-wiring between boards
-Missing phase on power supply
E22 stop manual
Communication
trouble
-Communication abnormal (A3 board). E31 stop
Automatic
(then manual)
Sensor failure
Sensor circuit
open or short
circuit /
Sensor failure
-Abnormal sensor for the inlet temp. on the H/E – “liquid
line” in cooling - (E1/S7)
F01 stop
Automatic
(then manual)
-Abnormal pressure sensor (E2P/B1) on the H/E
-Loss of refrigerant charge
F02 stop
Automatic
(then manual)
-Abnormal sensor for the compressor discharge
temperature (TD/S5)
F04 stop
Automatic
(then manual)
-Abnormal sensor for the air heat exchanger temp. (C1/S2) F06 stop
Automatic
(then manual)
-Abnormal sensor for the air heat exchanger temp. (C2/S1) F07 stop
Automatic
(then manual)
-Abnormal sensor for outdoor temp. (TO/S4) F08 stop
Automatic
(then manual)
-Abnormal sensor for water inlet temp. (TW1/S8) F10 stop
Automatic
(then manual)
-Abnormal sensor for compressor suction temp. (TS/S3) F12 stop
Automatic
(then manual)
Component
failure
EEPROM
-Abnormal non-volatile memory (EEPROM) on A2 board. F29 stop manual
-Abnormal non-volatile memory (EEPROM) on A3 board F31 stop manual
Mis-setting Setting error
-Unit type mismatch between A3 and A2 (parameter) L02 stop manual
-No address setting on A2 board L08 stop manual
-No unit capacity setting on A2 board L09 stop manual
-Incorrect capacity setting on A3 board L10 stop manual
-incorrect unit type setting on A2 board L13 stop manual
Activation of
protective
device
A3 board
-High discharge temperature of compressor P03 stop manual
-High refrigerant pressure switch activated
(for 257 & 307 units only)
P04 stop manual
-Low current on power supply
(missing phase or incorrect phases order)
P05 stop manual
-No refrigerant P15 stop manual
-Four way valve locked P19 stop manual
-High refrigerant pressure P20 stop manual
-Fan(s) trouble P22 stop manual
-Incorrect current value for compressor (over current on
HIC PCB)
P26 stop manual
-Incorrect current value for compressor (trouble on motor
detection circuit - MDC)
P29 stop manual
-Incorrect current value for compressor (overload) H01 stop manual
(*) see § 5.1.3