Product Manual B

6. Troubleshooting3-2018

3. Coolant level below specification

a. Check coolant level.

b. Add coolant if applicable.

4. Blocked radiator

a. Inspect for dirt, debris, or obstruction.

b. Remove blockage or winterfront if applicable.

5. Enclosure air discharge blocked

a. Inspect for dirt, debris, or obstructions.

b. Remove blockage or snow/ice buildup if applicable.

6. Broken or loose fan belt

a. Inspect belt(s) for damage, wear, and proper tension.

b. Repair or replace belt(s) if damaged or worn.

6.6 Code 155 - Intake Manifold Temperature High

(Shutdown)

Logic: The engine intake manifold temperature has exceeded the temperatures

below for greater than 10 seconds:

• Models C45 N6, C50 N6 and C60 N6: 75 °C (167 °F)

• Models C70 N6, C80 N6 and C100 N6: 80 °C (176 °F)

Diagnosis and Repair:

For the troubleshooting procedure, refer to DTC 127 in the E-Controls Manual,

which applies to several applications. See the drawings provided with the generator

set or the wiring diagrams appendix for the appropriate pin numbers.

6.7 Code 197 - Coolant Level Low (Warning)

Logic: Coolant level sensor signal is showing a low coolant level for greater 10

seconds.

Possible Cause:

1. Low coolant

Diagnosis and Repair:

1. Low coolant

a. Remove radiator cap and check that coolant is up to the required level.