Energy Guide

04.24.13 Rev. 0.3a 18
ME
NU 13 = CHANGE PASSWORD (Password level 2-3)
By the button confirm the menu and the LCD visualizes the message “PASSWORD N°1-2-3” with 1 blinking(the
possibility of modification depends on the password level entered).
By the button and/or select the password level: confirming the level by , the upper row of the LCD
visualizes the message “PASSWORD N x” (number selected) while the lower row, the first digit blinking and lightened
fixed (for level 1: one digit lightened, setting of 2 numbers - for level 2: three digits lightened, setting of 4 numbers –
for level 3: 5 digits lightened, setting of 6 numbers).
By the button and/or set the new number and confirm by ; the next digit starts blinking.
Repeat the same procedure for the next numbers; confirming the last number by the LCD shift back to the
message “CHANGE PASSWORD”.
AL
ARMS WITH IMMEDIATE COMPRESSOR SHUT OFF
Cod
e
Description
Cause
01 EMERGENCY STOP Emergency stop button opened (IN1)
0
2
MOTOR OVERLOAD
Thermal motor opened
(IN
2)
03 F
AN OVERLOAD Thermal fan opened (IN3)
04 N
O PHASE One or more phases are missed longer than 300 m.s.
0
5
WRONG PHASE
Phases inverted
07 INPUT POWER FAULT All the inputs IN1 ÷ IN7 opened
11 H
IGH PRESSURE Working pressure over set W P2
12 TEMP. PROBE FAILURE Air end temperature probe failure
13 HIGH AIR END TEMP. Air end temperature over set WT1
14 LOW AIR END TEMP. Air end temperature probe lower than set WT5
18 P
OWER FAULT In case of power off and compressor set as manual restart
20 P
TC MOTOR Input IN 8 opened
21 SECURITY PRESS. SWICTH Security pressure switch opened (power supply to digital inputs missed)
22 INPUT IN7 OPEN VSD has fault. Check VFD for fault code.
25 SEPARATOR FILTER Separator filter differential pressure switch opened (IN6)
33 R
S232 FAILURE
Field bus error: Watchdog activated by MODBUS and no communication to
remote control
ALARMS WITH COMPRESSOR SHUT OFF AFTER 30 SECONDS UNLOAD RUN
Cod
e
De
scription
Caus
e
26 PRESS. TRANSD. FAILURE Pressure transducer failure
28 L
OW VOLTAGE
Power supply to the controller lower than 9,5Vac; reset accepted when
voltage overcomes 10,6Vac
29 S
ECURITY
Timer CAF elapsed; alarm detected only if the parameter Safety is set
YES
30 H
IGH AIR END TEMP.
Air end temperature over set WT2. Reset with temperature lower than
WT2-5°C
32 S
HUT OFF FOR AL32 Timer C—h elapsed: reset related maintenance timer
NOTE:
in case of shut off alarm RL7 (if it set as alarm operation) is energized + DL1 and the alarm message is stored
into the alarms memory; after the cause of the alarm has been solved, push the button to reset the alarm and
restart the compressor.
If the alarm “Low voltage” (code 28) has been disabled in menu 11 COMPRESSOR SET, it will not be detected.