User Guide | Optyma™ iCO2
8 | BC408445719305en-000101
© Danfoss | Climate Solutions | 2023.01 | LCA012A030
Code
No.
Data display contents
Data
display
range
Min. unit
Remarks
P63
EEVSC target subcool degree change
8: (Default)
4 – 40
(2 – 20 deg)
1
P64
Simultaneous oil return time ℓ1 by expansion valve
control
10: (Default)
[min]
1 min
Values change 1
→
2
→
3 …
→
20.
P65
Distributed oi return time by expansion valve control
ℓ2
3: (Default)
[min]
1 min
Changes 1
→
5 at 1 min intervals.
P65
Suction superheat reduction protection control
1: (Default)
0,1
1
0: Inactive,1: Active
P83
Current safe correction value
0: (Default)
-3~+6
0.5A
P84
Oil return control type
1:
Normal
(Default)
0: Normal
1: Expansion valve oil return
(Simultaneous)
2: Expansion valve oil return
(Distributed)
Error
code
Unit LED
2-screen
7 segment
display
Inspection contents
Green
Red
E32
Continuous
Once
E32
Power supply open phase
Power supply reverse phase (Export 3P, 4-wire type only)
E36
Continuous
Once
E36-1
Td error (Tho-D1)
E37
Continuous
Once
E37-1
Gas cooler sensor 1 broken wire (Tho-G1)
Twice
E37-2
Gas cooler sensor 2 broken wire (Tho-G2)
3-time
E37-3
Medium pressure receiver inlet temp. sensor broken wire (Tho-M)
4-time
E37-4
Gas injection inlet temp. sensor broken wire (Tho-INJ1)
6-time
E37-6
Subcooling coil sensor broken wire (Tho-SC)
7-time
E37-7
Liquid feed pipe temp. sensor broken wire (Tho-R)
E38
Continuous
Once
E38
Outdoor temp. sensor broken wire (Tho-A)
E39
Continuous
Once
E39-1
Td sensor 1 broken wire (Tho-D1)
E40
Continuous
Once
E40
High pressure switch ON (63H1-1, 2)
E41
Continuous
Once
E41-1
Power transistor overheat (CM1) (5-time/1 h)
E42
Continuous
Once
E42-1
Current cut (CM1)
E43
Continuous
Once
E43-1
Liquid pack error (CM1)
E45
Continuous
Once
E45-1
Inverter-PCB transmission error (CM1)
E48
Continuous
Once
E48-1
FMO1 error
Twice
E48-2
FMO2 error
E49
Continuous
Once
E49
Low pressure error (PSL ON)
E51
Continuous
Once
E51-1
Power transistor overheat (CM1) (15 min continuously)
E53
Continuous
Once
E53
Suction pipe temp. sensor broken wire (Tho-S)
E54
Continuous
Once
E54-1
Low pressure sensor broken wire (PSL)
Low pressure sensor output error
Twice
E54-2
High pressure sensor broken wire (PSH)
High pressure sensor output error
E55
Continuous
Once
E55-1
Under-dome temp. sensor 1 broken wire (Tho-C1)
E56
Continuous
Once
E56-1
Power transistor temp. sensor 1 broken wire (Tho-P1)
E58
Continuous
Once
E58-1
Compressor step-out error (CM1)
E59
Continuous
Once
E59-1
Compressor start error (CM1)
E60
Continuous
Once
E60
Medium pressure sensor broken wire (PSM)
Medium pressure sensor output error
E63
Continuous
Once
E63
External input error stop
E88
Continuous
Once
E88-1
Oil level error (CM1)
E89
Continuous
Once
E89
CPU-CPU communication error