GM-720
A/C System Maintenance
Centre
12
APPENDIX: ALARM CODE TABLE
Cod
e
Descriptions
Emergency Method
F00
1
No enough refrigerant in
cleaning tank
Supply refrigerant in time.
F00
2
Too much refrigerant in tank
Transfer some refrigerant to another
tank.
F00
3
High pressure
Stop use for a period.
F00
4
No refrigerant to recovery
Run next function.
F00
5
Cannot vacuum
Recovery first and then run vacuum.
F00
6
Exchange dry-filter
The dry-filter is life-end.
F00
7
Vacuum pump maintenance
Change the pump oil in time.
F00
9
No enough refrigerant in
recharging tank
Change a new tank of refrigerant.
F01
0
Prohibit changing the
recharging tank
Here has enough refrigerant in the
tank.
ERR
1
Load cell calibration error at
step 1
Check if the scale pan empty.
Check the connection of signal cable
being ok.
Check if the load cell is damaged.
ERR
2
Load cell calibration error at
step 2
Check if the weight has been put onto
the scale pan.
Check the connection of signal cable
being ok.
Check if the load cell is damaged.
