Desolvation temperature does not increase to requested value - WKB2987
Article number: 2987
SYMPTOMS
- Desolvation heater temperature does not increase to requested value; remains at ambient temperature when system is operating
- Source heater works as expected
ENVIRONMENT
- Xevo TQD with ESI probe
- Xevo TQ-XS
CAUSE
ESI probe not recognized correctly, therefore power is not supplied to desolvation heater
FIX or WORKAROUND
- Replace the ESI probe:
- Part number 700004254 for the "ESI PROBE ASSEMBLY" (standard)
- Part number 186007529 for the "LOW FLOW ESI PROBE" (narrow bore style)
- Part number 700011240 for the "Tool-free ESI Probe"
ADDITIONAL INFORMATION
- Desolvation heater is only enabled if Source ID readback is less than 3.5V (on Tune page)
- Source ID readback should be 1.9V for ESI probe
id2987, Electrospray, XEVOTQD, XEVOTQDIVD