NEPTUNE 5 SB FA
8 | Troubleshooting |
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8.1 Indications on Display |
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Indication |
| Cause |
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on Display |
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FLF |
| > | Flow sensor fault |
| Contact Nilfi |
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| Cold water operation possible | |||
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FLO |
| > | Water supply turned off or inadequate supply | • | Required volume fl ow and pressure see |
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| to machine |
| chapter 9.4 Technical Data |
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| > | Detergent tank empty | • | Fill detergent tank or set detergent me- |
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| tering to „OFF“ |
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| > | Pressure regulation on the safety control | • | Turn the twist grip on safety control block |
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| block set to low water volume |
| to higher water pressure/volume |
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| > | Machine scaled |
| Contact Nilfi |
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Fue |
| > | Fuel shortage | • | Fill fuel tank |
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| Cold water operation possible | ||
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Hop |
| > | Motor overheated | • | Turn main switch in position „OFF“, let |
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| machine cool down | |
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| • | Remove extension cord, if being used. |
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| • | Possible phase failure; have electrical |
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| connections checked |
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HOS |
| > | Machine overheated |
| Contact Nilfi |
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| > | Leakage or inadmissible operating condition | • | After three times of |
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| the machine switches off. To reset: Turn |
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| main switch to position “OFF“, then start |
LEA |
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| again. Keep trigger squeezed for longer |
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| than 3 seconds. If a leak occurs in the | |
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| hose and gun and causes the machine |
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| to start and stop briefl y 3 times, then the |
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| machine will switch off. |
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| > | Spray gun leaking | • | Repair Spray gun |
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| > | High pressure hose, coupling or line system | • | Replace |
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| leaking |
| screw fi ttings |
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| > | Detergent tank empty | • | Fill detergent tank or set detergent me- |
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| tering to „OFF“ |
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| > | Water inlet fi lter dirty | • | Clean fi lter (see chapter 7.2.1) |
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| > | • | Repair leaks | |
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LHE |
| > | Flame sensor sooted | • | Clean flame sensor (see chapter |
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| 7.2.6). | |
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| > Ignition or fuel system failure |
| Contact Nilfi | |
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| Cold water operation possible |
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LHL |
| > | Burner failure |
| Contact Nilfi |
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| Cold water operation possible | |||
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POL |
| > | Pump oil low | • | Fill to proper level (see chapter 7.2.3) |
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SEC |
| > | Temperature sensor damaged |
| Contact Nilfi |
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| Cold water operation possible | |||
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SEO |
| > | Temperature sensor damaged |
| Contact |
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| Cold water operation possible | |||
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UPC |
| > | Microprocessor failure |
| Contact |
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1) Options / model variants | 19 |
