Malfunction - Sinclair SDV5 User Manual

5. MALFUNCTION

Malfunction display of the outdoor unit's DSP1
Error
code
E0
Communication error between outdoor units
E1 Phase sequence error
Communication error between indoor and
E2
master unit
E4
T3/T4 Temp. sensor error
E5 Abnormal power supply voltage
E6 Reserved
E7
Discharge Temp. sensor error
E8 Outdoor unit address error
xE9 EEPROM mismatch of compressor
xF1 DC bus voltage error
F3 T6B Temp. sensor error
F5 T6A Temp. sensor error
F6 Electronic expansion valve connection error
Communication error between main board
xH0
and compressor drive board
H2
Qty. of outdoor unit decreases error
H3 Qty. of outdoor unit increases error
xH4 Inverter-module protection
H5 3 times of P2 protection in 60 minutes
H6 3 times of P4 protection in 100 minutes
H7 Qty. of indoor units mismatching
H8 High pressure sensor error
H9 10 times of P9 protection in 120 minutes
Slave unit malfunction(y=1,2 . e.g ,1Hd
yHd
stands for slave unit 1 error)
C7 3 times of PL protection in 100 minutes
High pressure protection or discharge
P1
Temp. switch protection
P2 Low pressure protection
xP3 Compressor current protection
P4
Discharge Temp. protection
P5 High Temp. protection of condenser
xP9
Fan module protection
xPL Inverter module Temp. protection
Compressor discharge insufficient superheat
PP
protection
xL0 Inverter compressor module error
xL1 DC bus low voltage protection
xL2 DC bus high voltage protection
XL4
MCE error
xL5 Zero speed protection
xL7
Phase sequence protection
Compressor frequency variation greater than
xL8
15Hz within one second protection
Actual compressor frequency differs from target
xL9
frequency by more than 15Hz protection
Note:
1. 'x' is a placeholder for the compressor system (compressor and related electrical components),with 1 representing compressor system A and 2 representing
compressor system B. 'y' is a placeholder for the address (1or2) of the slave unit with the error.
2. For some error codes,a manual restart is required before the system can resume operation.
Error description Remarks
Only displayed on the slave unit with the error
Displayed on the unit with the error
Only displayed on the master unit with the error
Displayed on the unit with the error
Displayed on the unit with the error
Reserved
Displayed on the unit with the error
Displayed on the unit with the error
Displayed on the unit with the error
Displayed on the unit with the error
Displayed on the unit with the error
Displayed on the unit with the error
Displayed on the unit with the error
Displayed on the unit with the error
Only displayed on the master unit with the error
Only displayed on the master unit with the error
Displayed on the unit with the error
Displayed on the unit with the error
Displayed on the unit with the error
Only displayed on the master unit with the error
Displayed on the unit with the error
Displayed on the unit with the error
Only displayed on the master unit with the error
Displayed on the unit with the error
Displayed on the unit with the error
Displayed on the unit with the error
Displayed on the unit with the error
Displayed on the unit with the error
Displayed on the unit with the error
Displayed on the unit with the error
Displayed on the unit with the error
Displayed on the unit with the error
Displayed on the unit with the error
Displayed on the unit with the error
Displayed on the unit with the error
Displayed on the unit with the error
Displayed on the unit with the error
Displayed on the unit with the error
Displayed on the unit with the error
Displayed on the unit with the error
4
Table.5-1