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7. Maintenance
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CanadianSolar
6 .Remove the screws that hold the fan to the plate. Replace or clean the fan as required.
Figure 7.4
7. Reassemble the fan assembly.
8. Reconnect the electrical connections and reinstall the fan assembly.
9.Restart the inverter by turning the AC switch to 'ON' then the DC switch to 'ON'.
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8. Troubleshooting
8.1 Current alarm- front LCD panel
8.1.1 Running messages
Running messages can be viewed in the LCD panel (refer to LCD operation in section 6.4).
8.2 Alarm history
8.2.1 Viewing alarm history
To the process to view the last 10 (or less) alarm codes, refer to LCD Operation 6.6.1.
8.3
Error messages
NOTES
The first step to clearing alarms as listed in Table 9, is to reset the inverter.
To reset the inverter, turn off the inverter (refer to Section 6.2) and wait for
five (5) minutes before restarting it (refer to Section 6.1 ). lfthe failure
persists, please first contact your local distributor and then Canadian solar
Support Service.
If you need to contact Canadian solar Support Service at
North, South & Central America Canadian Solar Inc.
Attn: Customer Service Department 3000 Oak Road, Suite 400
Walnut Creek, CA 94597
Tel: +1 855 315 8915
E-mail: service.ca@canadiansolar.com
1. Inverter serial number
2. The inverter distributor/dealer (if available)
3. Installation date
4. The description of problem (e.g., the alarm message displayed on the LCD and the
status of the LED status indicator lights. Other readings obtained from the Information
sub menu (refer to Section 6.4) will also be helpful.)
5. PV array configuration (e.g. number of panels, panel capacity, number of strings, etc.)
6. Your contact details
8.3.1 Troubleshooting guide
Canadian Solar inverters are designed in accordance with international grid standards,
safety standards and electromagnetic compatibility requirements. Before delivery to the
customer, the inverter has been subjected to intensive testing to ensure its optimal operation
and reliability. In case of failure, the LCD screen may display an alarm message, stop feeding
energy into the grid or both. Typical failure descriptions and their corresponding alarm
messages are listed in Table 9 on the following pages .
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