Danfoss EC-C1200-450, Руководство пользователя

Страница: 63 / 69

Do not activate the automatic fault reset function on any system where it can be the cause of a potentially dangerous
situation.
Do not try to repair the electric device. In the case of suspected fault or malfunction, contact Danfoss or authorized
service centre for further assistance.
For the reason of general safety and correct operative actions, read the instructions carefully before you start any
analyses or work with the electric device.
Use correct personal protective equipment when you are near the electric device.
Some unexpected situations may occur while operating the electric device. Some of the possible
causes and actions are given in table below. If an unexpected situation occurs, it should be
corrected as soon as possible.
These instructions do not cover all details or variations in the equipment nor provide information
for every possible condition to be met in connection with installation, operation or maintenance.
Table 19. Troubleshooting
Fault description Possible cause Action
Electric device overheating
Cooling system failure.
Inspect the cooling system operation and functionality, especially
possible leaks, ow rate and uid temperature.
Change the cooling ow direction to ush the cooling system
from sediment possibly accumulated.
Leakage in the cooling system. Inspect the cooling system circuit and connections.
Rigid particle inside the cooling
channel of the electric device.
Try to pulsate coolant to open the channels.
Contact Danfoss representative.
Signi cant coolant leak
Loose connection in the cooling
system.
Inspect, clean and tighten the connections. Replace them if
neccessary.
Broken cooling hose. Replace the cooling hose.
Electric device does not work
correctly or the performance is poor
Poor powerline contacts
(high voltage)
Inspect, clean and tighten the contacts.
Poor control signal
contacts (low voltage)
Inspect the X1-connector mounting.
Fault history and fault reset (+CAN option only)
When an unusual operating condition is detected by the control diagnostics, the electric
device gives a noti cation. The noti cations vary depending on the consequences and required
action:
EC-C1200-450
9. Troubleshooting
62 |
©
Danfoss | Produced By: Danfoss Power Solutions | January 2019
| BC265735231757en-000109