Troubleshooting
Troubleshooting
Follow Pressure Relief Procedure and Shutdown on page 24 before checking or servicing the equip- ment.
Problems
Try the recommended solutions in the order given for each problem, to avoid unnecessary repairs.
Catalyst Pump
See Catalyst Slave Pumps parts illustration on page 66 for parts identification.
Problem | Cause | Solution | |
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Pressure loss on up stroke. | Worn transfer housing seal. | Replace transfer housing seal. | |
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| Worn transfer housing seat. | Replace transfer housing. | |
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Pressure loss on up stroke and down | Worn weep seals. | Replace weep cartridge. | |
stroke. |
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Blow off valve spring is wearing out. | Replace blow off valve. | ||
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| Loose fittings on spray gun and/or hoses. | Tighten fittings on spray gun and hoses. | |
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| Scratched piston rod. | Replace piston rod. | |
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Pressure not building on up stroke. | Damaged transfer housing seat. | Replace transfer housing. | |
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Pressure not building on down stroke. | Scratched inlet valve. | Replace inlet valve. | |
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Leakage from cartridge housing. | Loose cartridge housing. | Tighten cartridge housing. | |
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| Loose bearing. | Tighten bearing. | |
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Pressure being relieved through relief | Relief valve or check valve has a weak | Replace relief valve or check valve. | |
valve or check valve at a low pressure. | spring. |
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Pump will not prime. | Fluid inlet ball valve is closed. | Open fluid inlet ball valve. | |
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Excessive weepage | Missing | Remove cartridge and install | |
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| Worn or damaged | Remove and replace | |
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Resin Pump
See Resin Pumplines on page 61 for parts identification.
Problem | Cause | Solution |
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Does not operate. | Valve closed or clogged. | Clear air line; increase air supply. Check that |
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| valves are open. |
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| Fluid hose or gun obstructed. | Clean hose or gun.* |
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| Dried fluid on displacement rod. | Clean rod; always stop pump at bottom of stroke; |
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| keep |
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| Air motor parts dirty, worn, or damaged. | Clean or repair air motor. See air motor manual. |
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| Runaway error on DataTrak tripped (if DataTrak | See DataTrak |
| installed) | page 35. |
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Stall on bottom of | Runaway solenoid actuated. (if DataTrak installed) | Enable runaway protection, if disabled, then see |
stroke. |
| Runaway, page 35, to reset the runaway solenoid. |
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40 | 3A2012J |
