Self Diagnosis; Error Codes - Parkair Energy Solutions PRK-MCW-9S Manuel D'utilisation Et Installation

4 SELF DIAGNOSIS

4-1 ERROR CODES

CODE
b3
dF
E0
E1
E2
E3
E4
E5
E7
H0
H1
H2
H3
H4
H5
H6
H7
L0
LU
L1
L2
L3
L4
L5
L6
P0
P1
P2
P3
P4
P5
P6
P7
P8
P9
PC
U0
U1
U2
U3
U4
U5
U6
U7
U8
Pd
DESCRIPTION
Filter clean remider
Defrosting or oil return under heating mode
Compressor high discharge temp protection
Overload protection
Compressor overload protection
Anti-freeze protection
High pression protection
Water lessflow protection
4 way valve malfunction
Compressor stalling protection
Start up failure
Compressor phase current peak protection
Compressor phase current RMS protection
IPM protection
IPM overheat protection
Compressor phase ciurcuit detection error
Compressor phase loss error
Jumper error
Total failure
Indoor unit PCB malfunction
Indoor unit motor error
Communication between Indoor Unit and MCW 2.0 unit failure
Mainboard communication error
EEPROM Indoor unit error
Communication between Indoor Unit and MCW 2.0 unit failure
EEPROM water condensing unit
Power On failure / Charging ciurcuit error
Alternating current protection /Feedforward voltage protection
High voltage protection
Low voltage protection
DC line voltage drop protection
Machine current detection circuit error
Over-current protection
PFC current detection circuit error
PFC protection
Indoor units operation conflict (Cooling/Heating)
Indoor ambiet temperature sensor short/open
Indoor mide pepe temperature sensor short/open
Water inlet temperature sensor short/open
Water outlet temperature sensor short/open
Outdoor discharge temperature sensor short/open
Water inlet temperature out of range
Liquid pipe temperature sensor open / short circuit
Gas pipe temperature sensor open / short circuit
Water outlet temperature are too low
Communication failure between DRIVE and MAIN-BOARD of the MCW 2.0
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