System Test; Inverter Board Alarm Codes (Only For Mci012_) (Fig. 16) - Galletti Inverter technology MCI Manual De Instalación

MCI__X
Description
Additional external temperature probe
Sanitary Water Request
Maximum Frequency Reduction Compressor
3-way valve
1- External Heat Source Request
2- Defrost
1- Alarm
2- Ambient temperature reached
1- Backup heater needed for SHW
2- Humidiier
1- Trace heater
2- Additional WP
Alarm input
ON / OFF
NORMAL / ECO Mode
Heating / Cooling Mode

9 - SYSTEM TEST

9.1 - Inverter board alarm codes (only for MCI012_) (Fig.
16)
Troubles of the inverter can be diagnosed by LED indications
on the cycle control P.C. board of the outdoor unit. Utilize
them for various checks.
LED indication and code checking
LED indication
D800 O: Red
D801 O: Yellow
D802 O: Yellow
D803 O: Yellow
s
: Flashing
: Off
: On
Board position:
See fig. 16
24
RG66012647
PIN Signal
23 - 24 Input (NTC 3kΩ @25°C)
13 - 15 Input (contact switch quality>25mA@12V)
13 - 14 Input (contact switch quality >25mA@12V)
10 - 18 - N Output 230Vac (18-N: Power supply, 10 signal)
4 - N Relay Output Contact
5 - N Relay Output Contact
11 - N Relay Output Contact
12 - N Relay Output Contact
21 - 3 Input (contact switch quality >25mA@12V)
6 - 3 Dry contact
8 - 3 Dry contact
7 - 3 Dry contact
Cycle control P.C. board
LED indication
D800 D801 D802
 

 


 
 

 

  
 

 


 

 
 

s
 
s
 
s s

s
 
s s

All copying, even partial, of this manual is strictly forbidden
Limits
N.A.
N.A.
N.A.
1 ph ~ 230V, 2A
1 ph ~ 230V, 2A
1 ph ~ 230V, 2A
1 ph ~ 230V, 2A
1 ph ~ 230V, 2A
N.A.
N.A.
N.A.
N.A.
Before a check, confirm each bit of the DIP switch is set to
OFF position.
D803
 Heat exchanger sensor (TE) error
 Suction sensor (TS) error
 Hot gas discharge sensor (TD) error
High-pressure protection error

 Outdoor air temperature sensor error (TO)
 Outdoor motorised fan error DC
Communication error between IPDU (Abnormal stop)

High-pressure release operation

 Discharge temp. error: Hot gas is too high
EEPROM error

Communication error between IPDU (No abnormal stop)

 G-Tr short-circuit protection

Detect circuit error
 Current sensor error
 Comp. lock error
 Comp. break down
33AW-CS1B Installation Menu
Code
126
153
5 - 6
N.A.
106 - 148 -150
-151 - 152 -154
-155
147
107 - 108
156 - 157
N.A.
N.A.
N.A.
N.A.
Cause