No solvent flow when wet priming 2695 Separations Module - WKB116127
Article number: 116127
SYMPTOMS
- No solvent flow when wet priming 2695 Separations Module
- Loosening outlet of gradient proportioning valve shows free flow of solvent
- Loosening primary pump head tubing to check valve shows free flow of solvent
ENVIRONMENT
- 2695 Separations Module
- Empower
CAUSE
The check valve is stuck.
FIX or WORKAROUND
Replace the check valve (700000254).
ADDITIONAL INFORMATION
You can also try sonicating the check valves in 50/50 methanol/water for 30 mins as a temporary fix.
id116127, 2690, 2690D, 2690DUPGD, 2690UP, 2695, 2695D, 2695DE, 2695DEB, 2695DUP, 2695E, 2695EB, 2695INERT, 2695UP, A-10SSM, ALLCOLCLR, ALLCOLHTR, ALLCOLHTRB, checkvalve, gradient proportioning valve